[Mammalogy • 2026] Colobus congoensis • Likweli: A remarkable New Species of Colobus Monkey from the Lomami National Park, Democratic Republic of Congo

Colobus congoensis  

  J. Hart, Amboko, Arenson, Horton, Coates, Kapale, Koko, T. Hart, Gilbert, Sargis et Detwiler, 2026 

 

Likweli  |  DOI: doi.org/10.1371/journal.pone.0349857

 

Abstract

We describe and name a new species of African monkey, Colobus congoensis sp. nov. (Primates, Cercopithecidae), from the interfluve region of the Lomami and Congo (Lualaba) Rivers in east-central Democratic Republic of Congo (DRC). Colobus congoensis is a rare and cryptic monkey, poorly known even by local communities bordering its range, some of whom use the vernacular name Likweli for the species. Between 2018 and 2022, 114 field observations were made over an estimated range of 1,700 km2. Colobus congoensis is largely restricted to high, closed canopy forest on deep clay pediments and islands of terra firme forest, where it co-occurs with two other colobine species (Piliocolobus parmentieri and Colobus angolensis). Colobus congoensis was most frequently observed in small groups (mean = 6.2 individuals), often in mixed-species associations. Mitochondrial and morphological data confirm the attribution of C. congoensis to the genus Colobus and reveal that it is the sister to Colobus satanas, from which it is geographically separated by more than 1,200 km. Comparative analysis of C. congoensis vocalizations also reveals structural similarities with C. satanas to the exclusion of other Colobus species. Among other features, C. congoensis is distinguished from C. satanas and other Colobus species by its small size, a striking orange cream patch surrounding the mouth, philtrum, and portions of the inferior nasal alae on an otherwise black face, and a white perianal patch that is covered with fine white hairs in males and is glabrous in females. We propose a preliminary IUCN Red List classification of Endangered (EN) for C. congoensis based on its small range area and population size, coupled with the projected impact of increased hunting pressure and habitat conversion. Protection of Lomami National Park, within which most of the C. congoensis range occurs, and engagement of local communities in not hunting the species are the most important actions needed to ensure the conservation of C. congoensis.

An illustration of Colobus congoensis, whose common name is the local vernacular name, “likweli.”

Illustration: Kimio Honda

Systematics 

Family Cercopithecidae Gray, 1821

Subfamily Colobinae Blyth, 1863

Subtribe Colobina Blyth, 1863

Genus Colobus Illiger, 1811

Colobus congoensis and C. satanas in life.
(A & B) Colobus congoensis, Lomami National Park, Democratic Republic of Congo.
(C & D) C. satanas, Lope National Park, Gabon.

Photo credits:(A) Daniel Rosengren, (B) Bravo Bofenda, (C) Martin Royele/Royele Safaris, (D) Barna Takats. Photos used with permission.

Colobus congoensis J. Hart, Amboko, Arenson, Horton, Coates, Kapale, Koko, T. Hart, Gilbert, Sargis, and Detwiler, sp. nov.  

 

Etymology: The nominal congoensis refers to the species range limited to the Democratic Republic of Congo. Likweli, the vernacular name given to the species by communities bordering its range, is the recommended common name.

Diagnosis and Description: A small, long-tailed Colobus monkey that exhibits little sexual dimorphism in overall pelage coloration. The pelage of the limbs and torso is black. Hair length is longest on the upper shoulders and back (Color 89 in [54]), producing a sheen in some lighting and a cape-like pelt in some individuals. Body hairs are relatively short (~9–12.5 cm long in the male; ~ 6–8 cm long in females at mid-dorsum). The tail is largely black. Older individuals may show gray hairs (Glaucous Colors 79–80 in [54]) along the caudal dorsum and the tail, as seen in YPM MAM 17308, which also exhibits heavily worn dentition in the associated cranium, indicating an advanced age for this individual (Text A and Fig B in S4 File). The single male examined had a small, black terminal tail tuft in the fresh specimen, not seen on the two females. The head in both sexes is framed by long black hairs (~4–6 cm) on the forehead and sides of the face. The dark glabrous face is marked in both males and females by ...

  

John A. Hart, Junior D. Amboko, Julia L. Arenson, Emma R. Horton, Kathryn F. Coates, Jean-Pierre I. Kapale, Mardoché B. Koko, Terese B. Hart, Christopher C. Gilbert, Eric J. Sargis and Kate M. Detwiler. 2026. Likweli: A remarkable New Species of Colobus Monkey from the Lomami National Park, Democratic Republic of Congo. PLoS One. 21(7): e0349857. DOI: doi.org/10.1371/journal.pone.0349857 [July 15, 2026]

[Botany • 2026] Passiflora albopurpurea (Passifloraceae) • A New Species of Passiflora Subg. Passiflora discovered in the central montane forest of Peru

 

 Passiflora albopurpurea Chávez-Corcuera,  
 

in Chávez-Corcuera, Castañeda, Gutierrez et Ocampo, 2026. 

DOI: doi.org/10.11646/phytotaxa.741.1.10  

  Researchgate.net/publication/400720451 

 Abstract

A new species of Passiflora sect. Granadillastrum belonging to P. subg. Passiflora discovered in the montane forests of Peru is described and illustrated. This new taxon, Passiflora albopurpurea, differs from P. crassifolia by having entire 3–5-nerved leaves, corona in 6 or 7 series, sepals, petals and inner row of corona white and a glabrous ovary. A taxonomic discussion and a distribution map are provided, along with keys for the identification of morphologically related species occurring in Peru. This new species is rare, due to its restricted occurrence with a small population size and should be considered under category Endangered (EN). 

Chanchamayo, Endemism, Passifonflower, Oxapampa, Stipulata, series Menispermifoliae, supersection Stipulata, Eudicots

 

 Passiflora albopurpurea Chávez-Corcuera. A) Fertile branch; B) Senescent flower; C) Stipules; D) Petiole glands; E) Flower; F) Inner view of the flower.

Photographs A-B R. Vásquez; C-F G. Chávez-Corcuera.

Passiflora albopurpurea Chávez-Corcuera sp. nov.

GONZALO CHÁVEZ-CORCUERA, ROXANA CASTAÑEDA, HAROL GUTIERREZ and JOHN OCAMPO. 2026. Passiflora albopurpurea, A New Species of sect. Granadillastrum (Passifloraceae, subg. Passiflora) discovered in the central montane forest of Peru.  Phytotaxa. 741(1); 107-114. DOI: doi.org/10.11646/phytotaxa.741.1.10 [2026-02-12] 

  Researchgate.net/publication/400720451_Passiflora_albopurpurea_a_new_species_discovered_in_the_central_montane_forest_of_Peru

[Botany • 2026] Sinningia pampeana (Gesneriaceae) • A New Species from the Pampa's rocky outcrops in southern Brazil and Uruguay

 

Sinningia pampeana G.E.Ferreira and Chautems, 
  

in Ferreira, Spiazzi, Barbieri, Chautems et Araújo, 2026.

DOI: doi.org/10.1002/njb.05231 

Abstract

Sinningia pampeana is a new rupicolous species from the rocky outcrops of the Pampa biome in southern Brazil and Uruguay. Morphological analyses based on herbarium material, field observations, and detailed illustrations support its recognition as a distinct species from Sinningia sellovii. Sinningia pampeana is restricted to rock outcrops within the Pampa grasslands, where populations are threatened by grazing, habitat degradation, and potential mining activities. Given the current uncertainty regarding its distribution and sampling completeness, a preliminary conservation assessment of ‘Data Deficient' (DD) is proposed under IUCN criteria.

Keywords: Gesneriaceae, new species, Pampa biome, rocky outcrops, Sinningia

Sinningia pampeana sp. nov. (A) Corolla, frontal view, (B) inflorescence, detail, (C) trichome structure, (D) ovary, transverse section showing the nectary consisting of two separate dorsal glands, (E) ovary, style, and nectary, (F) calyx and corolla showing stamens, (G) coherent anthers, detail, (H) corolla throat, detail showing stamens and anthers, (I) immature capsule, (J) habit.

Drawn from Jarenkow and Garcia 3607.

Morphology of Sinningia pampeana sp. nov.
 (A) Habitat on rocky outcrop, (B) inflorescence in the shrub vegetation, (C) inflorescence, (D) habit, (E) axillary flowers, (F) close-up of the calyx and corolla.

Photo by A. Chautems.

Sinningia pampeana G.E.Ferreira and Chautems sp. nov. 

Diagnosis: Sinningia pampeana differs from S. sellovii by its consistently red, horizontally oriented corollas (versus whitish pink to lilac or yellowish and pendent corollas), included anthers (versus exserted), a slightly bilabiate limb with enlarged dorsal lobes (versus a corolla tubular with subequal lobes), and the presence of only one to ca four flowers per bract axil (versus 3–9 flowers).

Etymology: The specific epithet ‘pampeana' refers to the Pampa biome, characterized by grasslands and rocky outcrops across southern Brazil, Uruguay, and Argentina. The name derives from the Quechua word ‘pampa', meaning ‘plain' or ‘open field'.

Gabriel Emiliano Ferreira, Daniel Alves Spiazzi, Pedro Henrique Sonsim Barbieri, Alain Chautems and Andréa Onofre Araújo. 2026. Sinningia pampeana sp. nov. (Gesneriaceae) from the Pampa's rocky outcrops in southern Brazil and Uruguay. Nordic Journal of Botany. DOI: doi.org/10.1002/njb.05231 [24 June 2026]

[Botany • 2026] Platylepis avaratraensis (Orchidaceae) • A New Species from northern Madagascar and its taxonomic position in Goodyerinae

Platylepis avaratraensis Hermans & Nusb., 

in Hermans, Ranirison, Havinga, Iharivolana et Nusbaumer, 2026. 

DOI: doi.org/10.15553/c2026v811a1

 Abstract  

Taxonomy and molecular research in the genera of the subtribe Goodyerinae (Orchidaceae) from Madagascar and adjacent islands of the western Indian Ocean are discussed. The characteristics of Goodyera R.Br. and Platylepis A.Rich. are compared, their history is presented, and the respective species currently accepted for the region are detailed. A new species, Platylepis avaratraensis Hermans & Nusb., is described from the Sava region in northern Madagascar. It is most similar to P. humicola (Schltr.) Schltr. but differs by the wider leaves, shorter floral bracts, flower colour, narrower sepals and a lip with distinct calli. The distribution and ecology of the new species are discussed and its conservation status is provisionally assessed as “Endangered” following the IUCN Red List Categories and Criteria.

KEYWORDS: conservation, Goodyera, Goodyerinae, Madagascar, new species, ORCHIDACEAE, Platylepis, taxonomy

Platylepis avaratraensis Hermans & Nusb.
A: plant in its habitat; B: inflorescence with buds, flowers and young fruits; C: flower, front view with an insect (potential pollinator of the species); D: leaves; E: flowers, ovary and bracts from side view; F: fruits

 [A–D: Nusbaumer et al. 5055; E: Iharivolana & Havinga 47; F: Donati et al. 61] 

[Photos: A–D: L. Nusbaumer; E: A. Havinga; F: Iharivolana]

Platylepis avaratraensis Hermans & Nusb., sp. nov. 

Diagnosis — Platylepis avaratraensis is distinct from all other Madagascar species of the genus, and especially from P. humicola, by its long erect stem, narrowly elliptic to sub-ovate leaves (l/w ratio: 2.5–3/1), long inflorescence with a laxly flowered rachis in the apical third, floral bracts about as long as the pedicellate ovary, the rachis stem, ovary and exterior of the sepals and petals densely hirsute to villose with fine white hairs, the pale flowers with an orange-pink base to the lip, the obscurely 3-lobed lip with strongly involute margins, but without a spur, scattered thorn-like calli along the base, the curving epichile, ending in a fleshy, strongly recurved bilobed appendage, and the distinctly bifid rostellum.

Etymology — The specific epithet refers to the North (Avaratra in Malagasy) indicating its distribution in the northern part of Madagascar.

Johan Hermans, Patrick Ranirison, Alessandra Havinga, Iharivolana, Louis Nusbaumer. 2026. Platylepis avaratraensis (Orchidaceae), A New Species from northern Madagascar and its taxonomic position in Goodyerinae. Candollea. 81(1); 1-6. DOI: doi.org/10.15553/c2026v811a1 (17 June 2026)   

Les recherches taxonomiques et moléculaires sur les genres de la sous-tribu Goodyerinae de Madagascar et des îles adjacentes de l'océan Indien occidental sont discutées. Les caractéristiques de Goodyera R.Br. et Platylepis A.Rich. sont comparées, et leur histoire est présentée. Les espèces actuellement acceptées par les auteurs pour la région sont détaillées. Une nouvelle espèce d'orchidée, Platylepis avaratraensis Hermans & Nusb., est décrite dans la région de Sava, au nord de Madagascar. Elle est illustrée et comparée à d'autres espèces du genre. Elle est la plus proche de P. humicola (Schltr.) Schltr., mais se distingue par ses feuilles plus larges, ses bractées florales plus courtes, la couleur de ses fleurs, des sépales plus étroits et un labelle avec des callosités distinctes. La distribution et l'écologie de la nouvelle espèce sont discutées et son statut de conservation préliminaire est évalué comme «En danger» suivant les Catégories et Critères de la Liste rouge de l'UICN.

[Botany • 2025] Dombeya scorpioides (sect. Xeropetalum; Malvaceae) • A New Species from southeastern Madagascar

 

 Dombeya scorpioides Jourdain Fievet & Applequist, 
 

in Jourdain Fievet, Le Prchon, Dubuisson et Applequist, 2025.

DOI: doi.org/10.11646/phytotaxa.704.3.2

Illustration by Ludivine Lougou. 

Abstract

Dombeya scorpioides, a new endemic species of Dombeya (Malvaceae) from southeastern Madagascar, is described. Morphological analysis places this species within Dombeya section Xeropetalum as defined by Arènes. The species is distinguished by its unique biparous cyme, unusually elongated with mostly scorpioid terminal units. It is further differentiated from other species with similar narrow leaves by its hispid ovary with well-developed stellate hairs. Due to its restricted geographic distribution and past and future threats to its habitat, this species should be classified as Endangered according to IUCN Red List Criteria.

conservation status, endemism, scorpioid cyme, Eudicots

Morphological features of Dombeya scorpioides.
 A. Habit. B, C. Flower. D. Flower bud. e. Gynoecium. F. Part of theandroecium. g. Petal. H. Sepal, adaxial face. I. Sepal, abaxial face, with zoom on the hairs on the left.

Drawn from Rabevohitra et al.4121bis (P). Illustration by Ludivine Lougou, January 2025.

Dombeya scorpioides Jourdain Fievet & Applequist, sp. nov. 

Diagnosis:—Dombeya scorpioides Jourdain Fievet & Applequist differs from D. oblongipetala Arènes (1958: 438) in its longerinflorescences with often scorpioid branches, broader petals, a stellate-hispid ovary, and a longer style.

Lucile JOURDAIN FIEVET, Timothee LE PECHON, Jean-Yves DUBUISSON and Wendy APPLEQUIST. 2025. Dombeya scorpioides (Malvaceae: Dombeyoideae), A New Species from southeastern Madagascar.  Phytotaxa. 704(3); 232-238. DOI: doi.org/10.11646/phytotaxa.704.3.2 [2025-06-10]

[Botany • 2026] Dioon nuusaviorum (Zamiaceae) • A striking New Species from pine and pine-oak forest of Guerrero, Mexico

Dioon nuusaviorum Mart.-Domínguez, Nic.-Mor. & D.W.Stev.,   

in Martínez-Domínguez, Nicolalde-Morejón, Stevenson, Lorea-Hernández et Vergara-Silva, 2026.

DOI: doi.org/10.3897/phytokeys.274.173907 

Abstract

Taxonomic studies in cycad genera using multiple approaches have refined the delimitation of many species. In the case of Dioon Lindl., a Mesoamerican genus, a reliable classification has been achieved through taxonomic work carried out since the description of the genus and pioneering studies in Mexico during the 1980–90s. Here, we describe a new species from Guerrero based on evidence collected from populations encountered during fieldwork carried out in 2019. These populations had previously been considered morphologically similar to Dioon holmgrenii De Luca, Sabato & Vázq. Torres, which has a markedly disjunct distribution in Oaxaca. After studying herbarium specimens and making extensive observations on vegetative and reproductive structures from different populations in Oaxaca, we have concluded that the disjunct populations analysed in 2019 represent a distinct and new species of Dioon, separate from the two most phenotypically similar species—namely, D. stevensonii Nic.-Mor. & Vovides and D. holmgrenii. A key to geographically proximal and morphologically similar species as well as to the other species occurring in Guerrero and Oaxaca States is also presented. The proposed new species, Dioon nuusaviorum Mart.-Domínguez, Nic.-Mor. & D.W.Stev., is endemic to Guerrero and inhabits pine and pine-oak forest. Its conservation status, assessed on the based IUCN guidelines and criteria, qualifies as Endangered.

Key words: Cycadales, cycads, Mesoamerica, Neotropics, Sierra Madre del Sur

Dioon nuusaviorum sp. nov.
A. Ovulate strobilus; B. Megasporophyll; C. Basal scale of megasporophyll; D. Microsporophyll; E. Leaflets variation; F. Cataphylls; G. Seeds variation; H. New leaves; I. Leaves at emergence; J. Leaf at maturity.

Dioon nuusaviorum sp. nov., in habitat.
 A. Ovuliferous plant in habitat; B. Eumaeus sp; C. Population in La Trinidad; D. Vegetation view; E. Ovulate strobilus at maturity in habitat. 

Dioon nuusaviorum Mart.-Domínguez, Nic.-Mor. & D.W.Stev., sp. nov.

 

Diagnosis. Dioon nuusaviorum sp. nov. differs from D. holmgrenii by having leaflets imbricate to strongly imbricate, each with three to six long marginal teeth (0.26–0.37 cm long), a margin of the leaflets curved acroscopically, microsporophylls with an acuminate apex and megasporophylls with an apiculate apex. In contrast, D. holmgrenii has non-imbricate leaflets (generally a 0.2–1.0 cm between leaflets) with two to five short teeth on the distal margin (0.15–0.29 cm long), a margin of the leaflets straight, microsporophylls with an acute apex and megasporophylls with an acuminate apex. In comparison to D. stevensonii, this new species differs by its light green leaflets at emergence (vs golden), leaflet imbricate to strongly imbricate (vs not imbricate), acuminate apex of microsporophylls (vs acute), tomentose indument and narrowly-triangular megasporophylls at maturity (vs pubescent at base or scarcely pubescent and triangular).

Comparison of leaflets of Dioon holmgrenii, D. stevensonii and Dioon nuusaviorum sp. nov.
A. D. stevensonii; B. D. holmgrenii; C. Dioon nuusaviorum sp. nov.;
D. D. stevensonii (F. Nicolalde-Morejón et al. 1554, CIB); E. D. holmgrenii (Brigada T. Walters s/n [3997], XAL); F. D. holmgrenii (F. Nicolalde-Morejón et al. 1468, XAL); G. Dioon nuusaviorum sp. nov. (L. Martínez-Domínguez et al. 1745, CIB).

 Lilí Martínez-Domínguez, Fernando Nicolalde-Morejón, Dennis Wm. Stevenson, Francisco G. Lorea-Hernández and Francisco Vergara-Silva. 2026. A striking New Species of Dioon (Zamiaceae) from pine and pine-oak forest of Guerrero, Mexico. PhytoKeys. 274: 229-245. DOI: doi.org/10.3897/phytokeys.274.173907 [11 May 2026]

[Botany • 2026] Henckelia moniliformis (Gesneriaceae) • A New Species from North-Eastern Thailand

Henckelia moniliformis Sirim., 

in Sirimongkol, Tetsana et Middleton, 2026. 

เศวตนาด้วง หรือ ดาวสร้อยไข่มุก  ||  DOI: doi.org/10.20531/tfb.2026.54.1.06  

 facebook.com/ForestHerbarium

Abstract

The new species Henckelia moniliformis (Gesneriaceae) is described from North-Eastern Thailand. A key to the species of Henckelia in Thailand is provided, along with illustrations, notes on the ecology and the IUCN conservation status of the new species.

Keywords: Henckelia amplexifolia, Henckelia nakianensis, Lamiales, revision,taxonomy

Henckelia moniliformis Sirim.:
A.–C. habitat; D. lower leaves; E. flower, side view; F. flower, front view; G. fruit; H. eglandular hairs.

Photos by Naiyana Tetsana.

Henckelia moniliformis Sirim.:
 A. shows undeveloped leaf; B. shows pair of small leaves; C. flower dissection; D. shows moniliform hairs; E. & F. 100X moniliform hairs; G. fruits; H. seeds.

 A.–H. photos by Sukontip Sirimongkol.

Henckelia moniliformis Sirim. sp. nov.

This new species is allied to Henckelia amplexifolia and H. nakianensis in having a campanulate corolla tube which is less than 1 cm long, but differs in having one caducous bract (two persistent bracts in H. amplexifolia and H. nakianensis), two flowers per inflorescence (vs mostly more than two flowers per inflorescence), calyx persistent (vs calyx caducous), two lobes of upper lip hooded (vs two lobes of upper lip straight), anthers with dense moniliform hairs only on the lower half (vs anthers glabrous), staminodes apparently lacking (vs present) and orthocarpic fruit (vs  plagiocarpic  fruit).  It  also  differs  from  H. amplexifolia in having a caulescent habit (acaulescent in H. amplexifolia) and lacking stolons (present in H. amplexifolia) and differs from H. nakianensis in having more than one leaf (only one leaf in H. nakianensis) and the curved filaments (filaments straight in H. nakianensis)

  

 

Sukontip Sirimongkol, Naiyana Tetsana, David J. Middleton. 2026. A New Species of Henckelia (Gesneriaceae) from North-Eastern Thailand. Thai Forest Bulletin (Botany), 54(1); 58–63. DOI: doi.org/10.20531/tfb.2026.54.1.06 [2026-05-20] 

 facebook.com/ForestHerbarium/posts/1268341508716479

"เศวตนาด้วง" พืชชนิดใหม่ของโลก

พืชชนิดใหม่ของโลก ตีพิมพ์ในวารสาร Thai Forest Bulletin (Botany) vol. 54(1):58-63. 2026 โดย ดร. สุคนธ์ทิพย์ ศิริมงคล และ ดร. นัยนา เทศนา กลุ่มงานพฤกษศาสตร์ป่าไม้ สำนักวิจัยการอนุรักษ์ป่าไม้และพันธุ์พืช กรมอุทยานแห่งชาติ สัตว์ป่า และพันธุ์พืช ร่วมกับ Dr David J. Middleton นักพฤกษศาสตร์จากสวนพฤกษศาสตร์เอดินบะระ สกอตแลนด์ ผู้เชี่ยวชาญพืชวงศ์ชาฤาษี (Gesneriaceae) ของโครงการพรรณพฤกษชาติประเทศไทย (Flora of Thailand) ซึ่งพรรณไม้ชนิดนี้พบโดยทีมสำรวจพรรณไม้ภายใต้โครงการวิจัยความหลากหลายของพันธุ์พืชในระบบนิเวศเขาหินปูน บริเวณอำเภอนาด้วง จังหวัดเลย โดยตัวอย่างพรรณไม้ต้นแบบ (Holotype) N. Tetsana et al. หมายเลข 2974 ถูกเก็บรักษาไว้ที่หอพรรณไม้ กรมอุทยานแห่งชาติสัตว์ป่า และพันธุ์พืช (BKF)

เศวตนาด้วง หรือ ดาวสร้อยไข่มุก ชื่อพฤกษศาสตร์ Henckelia monilformis Sirim. จัดอยู่ในวงศ์ชาฤาษี (Gesneriaceae) เป็นพืชล้มลุกปีเดียว ขนาดเล็ก ใบเรียงตรงข้าม โดยใบคู่แรกเจริญเติบโตเต็มที่ใบเดียว ส่วนใบคู่ที่สองมีขนาดขนาดเล็ก ดอกออกเป็นช่อกระจุกจำนวน 2-8 ช่อ แต่ละช่อมี 2 ดอก ออกตามซอกใบ หรือดอกช่อล่างสุดออกติดโคนเส้นกลางใบ ดอกสีขาวรูประฆัง ยาว 4-5 มิลลิเมตร. กลีบดอก 5 กลีบ 2 กลีบด้านบนม้วนงอ 3 กลีบดอกด้านล่าง ปลายแผ่ออก เกสรเพศผู้ที่สมบูรณ์ 2 อัน ด้านล่างอับเรณูมีขนแบบเซลล์เรียงต่อกันคล้ายสร้อยไข่มุก

ปัจจุบันเศวตนาด้วง (เศวต=ขาว) เป็นพืชถิ่นเดียวของประเทศไทย พบขึ้นกระจายเฉพาะพื้นที่เขาหินปูนบริเวณของจังหวัดเลย บริเวณวัดถ้ำผาดำสันติธรรม อ.นาด้วง จ. เลย ซึ่งมีจำนวนประชากรค่อนข้างน้อย พบประมาณ 100-150 ต้น ในพื้นที่ประมาณ 2-3 ตารางเมตร บริเวณที่พบอยู่ในเขต ป่าสงวนแห่งชาติป่าโคกผาดำ 

สถานภาพการอนุรักษ์จัดเป็นพืชใกล้สูญพันธุ์ (Endangered - EN) ตามเกณฑ์ของ IUCN พบเฉพาะจากแหล่งที่เก็บตัวอย่างพรรณไม้ต้นแบบเท่านั้น ซึ่งไม่ได้เป็นพื้นที่อนุรักษ์คุ้มครอง ในฤดูแล้ง พืชอาจถูกรบกวนโดยนักท่องเที่ยว ยังไม่พบแหล่งกระจายพันธุ์ของพืชชนิดนี้เพิ่มเติม การสำรวจพืชชนิดนี้ในแหล่งหินปูนอื่น ๆ ในภูมิภาคนี้อย่างเข้มข้นคาดว่าจะนำไปสู่การค้นพบประชากรเพิ่มเติม ซึ่งมีความเป็นไปได้ว่าถิ่นที่อยู่อาศัยที่เหมาะสมของพืชชนิดนี้มีจำกัด

การอนุรักษ์ถิ่นที่อยู่เขาหินปูนหย่อมเล็ก ๆ โดยการประกาศเป็นพื้นที่อนุรักษ์ความหลากหลายทางชีวภาพนอกเขตพื้นที่คุ้มครอง หรือ Other Effective Area-based Conservation Measures: OECMs เป็นแนวทางหนึ่งที่ช่วยอนุรักษ์ถิ่นที่อยู่อาศัย รวมถึงการเก็บรักษาเมล็ดในธนาคารเมล็ด (Seed Bank) ก็เป็นตัวช่วยที่สำคัญ

[Herpetology • 2026] Platymantis guiting • A New miniaturised Platymantis (Anura: Ceratobatrachidae) from Sibuyan and Tablas islands, Romblon Island Group, Philippines

Platymantis guiting

Meneses, Pitogo, Decena, Supsup & Brown, 2026

 lkcnhm.nus.edu.sg 

Abstract

 We describe a new species of miniaturised Platymantis (subgenus Lahatnanguri) from the Romblon Island Group (RIG), Philippines. Previously, the RIG population was treated as Platymantis pygmaeus, a forestdwelling species endemic to Luzon Island due to morphological, ecological, and acoustic similarities. We conducted phylogenetic analyses using 16S mitochondrial DNA sequences and quantified morphological variation across a statistically robust sample size to assess the distinctiveness of the RIG population. Our results recovered the RIG lineage as monophyletic with moderate support (75% bootstrap; 0.83 BPP). Phylogenetic analyses further demonstrate that Platymantis guiting, new species, is not closely related to P. pygmaeus and it is morphologically distinguished by shorter limb proportions and a stereotyped advertisement call characterised by a single-pulsed, repetitive clicking. Named after Mount Guiting-Guiting, the highest peak on Sibuyan Island, this species stands as a powerful reminder of the biogeographic subregion’s fragile and irreplaceable biodiversity. This taxonomic revision highlights the unique herpetological diversity of the RIG and reinforces the need for targeted conservation efforts in this biogeographically significant subregion. 

Key words. Sibuyan Island, elevational relief, Lahatnanguri, Philippine biodiversity, conservation, Platymantis guiting

Observed colour variation in live specimens of Platymantis guiting, new species, collected from Mt. Guiting-Guiting Natural Park.

Photos by Camila G. MENESES.

Platymantis (Lahatnanguri) guiting, new species 

Etymology. The specific epithet guiting is derived from Mount Guiting-Guiting, the highest peak on Sibuyan (and the larger Romblon Island Group), with an elevation of 2,058 m asl. This mountain is a prominent geographical feature of the region and a biodiversity hotspot at the heart of Sibuyan Island, characterised by its unique flora and fauna (Brown & Alcala, 1974; Goodman & Ingle, 1993; Nerz et al., 1997; Lit & Eusebio, 2008; Esselstyn & Goodman, 2010; Brown et al., 2011; Davis et al., 2016; Heaney et al., 2005; Rickart et al., 2005; Siler et al., 2012, 2016; Lucañas, 2021; Tautel & Dupo, 2021; Ermilov & Corpuz-Raros, 2022a, b; Meneses et al., 2022). The name honours the ecological significance of the mountain and its role in conserving locally endemic species of herpetofauna in RIG.

Camila G. MENESES, Kier Mitchel E. PITOGO, Syrus Cesar P. DECENA, Christian E. SUPSUP and Rafe M. BROWN. 2026. A New miniaturised Platymantis (Amphibia: Anura: Ceratobatrachidae) from Sibuyan and Tablas islands, Romblon Island Group, Philippines. RAFFLES BULLETIN OF ZOOLOGY. 74: 197–219. [2026-04-14]

https://lkcnhm.nus.edu.sg/rbz/a-new-miniaturised-platymantis-amphibia-anura-ceratobatrachidae-from-sibuyan-and-tablas-islands-romblon-island-group-philippines/

[Botany • 2026] Begonia hanhhoae (Begoniaceae, sect. Jackia) • A New Species from the South Central Coast region, Vietnam

 

Begonia hanhhoae  C.W.Lin, V.C.Nguyen, Vuong & Aver.,

in Tran, V. C. Nguyen, T. H. Nguyen, Averyanov, Truong, Q. B. Nguyen, V. K. Nguyen et Lin, 2026.

DOI: doi.org/10.11646/phytotaxa.752.3.5 

 facebook.com/Darthvaderiana

 

Abstract 

Begonia hanhhoae, a new species from Khanh Hoa Province, Ninh Hoa District, South Central Coast region, Vietnam, is described and illustrated. It resembles B. aspersa from northern Vietnam but differs in having broadly ovate to suborbicular leaves (vs. reniform) with a slightly waxy adaxial surface (vs. velvety), inflorescence with up to 13 flowers (vs. up to 5), actinomorphic androecium (vs. zygomorphic), and pistillate flowers that are subsessile or borne on very short pedicels up to 1.5 mm long (vs. 4–12 mm). According to the IUCN criteria, it has been tentatively assessed as Endangered (EN).

biodiversity, plant conservation, endemism, Indochina, Khanh Hoa Province, taxonomy, Eudicots

THI THUY NHAN TRAN, VAN CANH NGUYEN, THI HOA NGUYEN, LEONID V. AVERYANOV, BA VUONG TRUONG, QUOC BAO NGUYEN, VAN KHUONG NGUYEN and CHE WEI LIN. 2026. Begonia hanhhoae (Sect. Jackia), A New Species of Begoniaceae from the South Central Coast region, Vietnam. Phytotaxa. 752(3); 228-234. DOI: doi.org/10.11646/phytotaxa.752.3.5 [2026-04-23]

 facebook.com/Darthvaderiana/posts/10232689178635435

[Herpetology • 2026] Tylototriton vietnamirabilis • A New Species of Tylototriton (Caudata: Salamandridae) from Phu Xai Lai Leng Mountain, Nghe An Province, Vietnam

Tylototriton vietnamirabilis 

 Ong, T. Q. Phan, Hoang, M. H. T. Nguyen, T. T. Nguyen, Ziegler, T. Q. Nguyen and C. T. Pham, 2026

Vietnamazing Crocodile Newt  | Cá cóc việt nam kỳ thú  ||  DOI: doi.org/10.3897/zookeys.1276.173848 

Abstract

A new species of crocodile newt, Tylototriton vietnamirabilis sp. nov., is described from Phu Xai Lai Leng Mountain, Nghe An Province, in the border area between Vietnam and Laos, based on molecular divergence and morphological differences. Tylototriton vietnamirabilis sp. nov. differs from other species in the subgenus Tylototriton by its body size, tail length, glandular ridge on the midline of crown of head, parotoid shape, appearance of vertebral ridge, number of dorsolateral glandular warts, the presence of a gular fold, coloration of head and body, and the presence of lateral grooves on tail. In terms of genetic distance, the new species differs from other congeners for which comparable sequences are available by at least 5.33–5.35% (T. panwaensis) and 5.35–5.37% (T. anguliceps), based on the mitochondrial NADH dehydrogenase subunit 2 (ND2) gene. Our new finding brings the total number of known species in the genus Tylototriton from Vietnam to 10. Because the new species is currently known to be restricted to evergreen montane forests on Phu Xai Lai Leng Mountain, we recommend to be classified as Endangered (EN) on the IUCN Red List.

Key words: Crocodile newts, morphology, ND2 gene, phylogenetic relationships, taxonomy, Tylototriton vietnamirabilis sp. nov.

Paratypes of Tylototriton vietnamirabilis sp. nov. in life.
 A. Dorsolateral view (IB A.6427, male); B. Dorsolateral view (IB A.6429, female). Photos: Cuong The Pham.

Tylototriton vietnamirabilis sp. nov.

 

Diagnosis. The new species is assigned to the subgenus Tylototriton based on the results of the molecular phylogenetic analyses and the following morphological attributes: back with dorsal granules, head with dorsolateral bony ridges, knob-like warts or rib nodules present on dorsolateral body, and the absence of quadrate spine (Le et al. 2015; Fei and Ye 2016; Pomchote et al. 2021, 2024). The new species is diagnosed from its congeners by a combination of the following morphological characteristics: (1) size medium (SVL 61.2–67.9 mm, TL 64.3–75.2 mm in males, and SVL 71.6 mm, TL 78.3 mm in a single female); (2) tail longer than the snout-vent length; (3) head longer than wide; (4) glandular ridge on midline of crown distinct; (5) parotoids prominent and enlarged, projecting backwards; (6) vertebral ridge large, raised, and glandular in appearance; (7) 15 or 16 distinct dorsolateral glandular warts; (8) gular fold present; (9) dorsolateral bony ridges, parotoids, rib nodules, and vertebral ridge dull orange; and (10) tail with distinct lateral grooves.

Etymology. The name “vietnamirabilis” is a Latinized form of the modern word creation Vietnamazing. The new species is named to highlight the Vietnamazing conservation campaign 2024–2025 of the European Association of Zoos and Aquariums (EAZA). The Vietnamazing campaign aimed to raise public awareness of Vietnam’s unique biodiversity and its conservation, establish conservation projects with crocodile newts being one of the flagship groups of the campaign and raise funds for species conservation, following and higlighting IUCN's "One Plan Approach to Conservation". From 2026 onwards, after the completion of the EAZA campaign, Vietnamazing will continue as the Vietnamazing conservation network, a program under ZGAP (Zoological Society for the Conservation of Species and Populations). As common names, we suggest Vietnamazing Crocodile Newt (English), Cá cóc việt nam kỳ thú (Vietnamese).

 An Vinh Ong, Tien Quang Phan, Chung Van Hoang, Mai Hong Thi Nguyen, Tao Thien Nguyen, Thomas Ziegler, Truong Quang Nguyen and Cuong The Pham. 2026. A New Species of Tylototriton (Amphibia, Salamandridae) from Phu Xai Lai Leng Mountain, Nghe An Province, Vietnam. ZooKeys. 1276: 285-305. DOI: doi.org/10.3897/zookeys.1276.173848 [08 Apr 2026]

[Botany • 2021] Dionysia jamzadiae (Primulaceae) • A New Species from the Fars Province of Iran

Dionysia jamzadiae Lidén, M.Irvine, Alvén & Mehregan, 

in Lidén, Irvine, Alvén et Mehregan, 2021. 

DOI: doi.org/10.24823/EJB.2021.396

ABSTRACT

Dionysia jamzadiae Lidén, M.Irvine, Alvén & Mehregan, from the east Zagros Mountains, Fars, Iran, is described as new to science. It belongs in section Dionysiopsis and is similar to D. oreodoxa Bornm. but differs in, for example, its sparsely glandular hairy or almost glabrous corolla with emarginated lobes (densely non-glandular pubescent with entire lobes in D. oreodoxa). Dionysia jamzadiae is known from two places and is quite abundant at the type locality.

Keywords: New species, Fars, Iran, Dionysia

Dionysia jamzadiae Lidén, M.Irvine, Alvén & Mehregan, sp. nov.
Brevistylous (A) and longistylous (B) plants in the type locality.

 Photograph: M. Lidén.

 

Dionysia jamzadiae Lidén, M.Irvine, Alvén & Mehregan, sp. nov.

Differs from Dionysia oreodoxa Bornm., to which it is most similar, in its sparsely glandular hairy or almost glabrous corolla with emarginate lobes (versus densely non-glandular pubescent with entire lobes).

 

 

M. Lidén, M. Irvine, A. Alvén and I. Mehregan. 2021. Dionysia jamzadiae (Primulaceae), A New Species from the Fars Province of Iran. Edinburgh Journal of Botany. 78; DOI: doi.org/10.24823/EJB.2021.396 [2021-12-02]

Researchgate.net/publication/356756037_DIONYSIA_JAMZADIAE_A_NEW_SPECIES_FROM_THE_FARS_PROVINCE_OF_IRAN

[Botany • 2026] Scottmoria umbonata (Lecythidaceae) • A New Species from Panama’s Caribbean Rainforests

Scottmoria umbonata S.A.Mori ex J.E.Bat., 

in Batista-Guerra, Campos-Pineda et Carrión, 2026. 

 DOI: doi.org/10.11646/phytotaxa.750.3.1

 

Abstract

A new species, Scottmoria umbonata, from wet Caribbean forests on the slopes of Sierra Llorona, Province of Colón, Panama, is described and illustrated. We provide a comprehensive description of the new taxon, discuss its affinities with similar species, and include line drawings, field photographs, a distribution map, and a preliminary conservation status assessment.

Bertholletia clade, Endemism, Scottmoria complex, Sierra Llorona, Taxonomy, Eudicots

Plate comparing Scottmoria umbonata (A–E) and Scottmoria woodsoniana (F–J).
Scottmoria umbonata: A. Laminated grey bark. B. Abaxial leaf blade, showing 1–2 intersecondary veins not impressed to slightly impressed adaxially. C. Inflorescence. D. Close up of bud, showing calyx lobes and pedicel-hypantium zone. E. Lateral view of mature fruit.
S. woodsoniana: F. Smooth reddish-brown bark. G. Abaxial leaf blade, showing 1–2 intersecondary veins strongly impressed adaxially. H. Inflorescence. I. Close up of bud, showing calyx lobes and pedicel-hypantium zone. J. Lateral view of mature fruit.

(A, E, J. Batista et al. 2174; B–D, Galdames et al. 6359; F, I, H, J. Batista 1449; G, J. Batista 1455; J, J. Batista 1659). Photos by Juvenal Batista and Carmen Galdames.

Scottmoria umbonata.
A. Apical and lateral views of flowers. B. Androecial hood in cross section showing yellow staminodes and nectaries. C. Androecial hood in cross section showing pink staminodes and yellow nectaries. D. Clustered or agglomerated inflorescences. E. Agglomerated inflorescences showing buds, robust rachis and lateral view of flowers. F. Rachis of inflorescences in groups of 5–6 per node.

(A, B, D–F, J. Batista et al. 2174; C, J. Batista et al. 2173). 

Photos by Juvenal Batista.

Scottmoria umbonata S.A.Mori ex J.E.Bat., sp. nov.  

Diagnosis:—Scottmoria umbonata and Scottmoria woodsoniana (Dwyer) (1965:362) Cornejo (2025: 489) are morphologically closely related species due to their similar flower color and depressed-globose fruits, but S. umbonata differs by presenting leaf blades with secondary veins slightly impressed adaxially (vs. strongly impressed in S. woodsoniana); 1–2 intersecondary veins not impressed to slightly impressed adaxially (vs. strongly impressed); leaf blade base cuneate, acute to slightly attenuate (vs. obtuse to rounded or truncate); inflorescences 2–5 per node, clustered, sometimes 1 per node (vs. solitary or 1 per node); rachis 0.5–3 (–7) cm long, thick and robust (vs. 2–8.5 cm, thin and slender); hypanthium verrucose with crowded lenticels (vs. smooth with scattered lenticels); sepals widely ovate (vs. ovate to oblong); flowers with style finely grooved (vs. smooth); style obconical (vs. columnar); stigma long-apiculate (vs. rounded to short-apiculate); mature fruits 6–7 × 3.5–8 cm (vs. up to 2.5 × 6 cm); supra-calycine zone 1.5–2.5 cm long (vs. 1–1.5 cm); the operculum with well-developed umbo from immature fruit to maturity (vs. convex operculum to poorly-developed); seeds 2–13 per mature fruit (vs. 5–6), with a flattened funicle (vs. thickened).

Etymology:—The epithet “umbonata” means having a highly developed umbo or raised central protuberance that persists from immature to mature fruit. 

Vernacular name:—The people of the Santa Rita and Sierra Llorona communities call this species “Coquito de potrero”. Its vernacular name refers to its peculiar pyxidium and the fact that it is one of the few trees that survives in pastures (“potreros”) that were once primary forests its hard wood, short height, and seeds that are edible for cattle are among the reasons why it is not cut down in the area.

Juvenal E. BATISTA-GUERRA, Ernesto CAMPOS-PINEDA and Juan F. CARRIÓN. 2026. Scottmoria umbonata sp. nov. (Lecythidaceae) from Panama’s Caribbean rainforests.  Phytotaxa. 750(3); 147-156. DOI: doi.org/10.11646/phytotaxa.750.3.1 [2026-04-07]