[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 • 2024] Passiflora natalensis (Passifloraceae) • A New Species from the Atlantic Forest of northeastern Brazil

Passiflora natalensis G.L.Silva & Mezzonato,   

in Silva, Roque, Queiroz et Mezzonato-Pires. 2024. 

DOI: doi.org/10.1590/1677-941X-ABB-2023-0282  

 Researchgate.net/publication/387327238

 

Abstract

A new species of Passifloraceae sensu stricto, Passiflora natalensis, from the Atlantic Forest of Rio Grande do Norte, Brazil, is described. It differs from P. cincinnata mainly by these five characteristics: i) the presence of two to three smooth and lustrous glands in the base of the petiole; ii) always 5-lobed leaves, with the presence of one or two pairs of horizontal slits in the leaf blade’s central lobe; iii) none, one or two pairs of horizontal slits in adjacent lobe, iv) absence of the operculum, a rare characteristic in Passiflora species and, v) a sparsely pubescent ovary. Commentaries concerning its morphological traits and similar species, geographic distribution, ecology, preliminary conservation status, and photos are provided.

Keywords: biodiversity; Conservation Units; Northeast Region; Passiflora; Restinga

Illustration of Passiflora natalensis sp. nov.
A-D. Leaf variations, adaxial view: A. One horizontal pair of slits in the central lobe. B. Two horizontal pairs of slits in the central lobe. C. Two horizontal pairs of slits in the central lobe and one horizontal pair of slits in the adjacent lobe. D. One horizontal pair of slits in the central lobe and two horizontal slits in the adjacent lobe. E. Detail glands on the petiole. F. Flower. G. Longitudinal section of the flower. H. Fruit. I. Habit. Illustration by Rhudson Cruz.

Passiflora natalensis sp. nov.
A. Habit. B. Petiolar glands. C. Leaf blade, adaxial view with horizontal slits in central and adjacent lobe (white arrows). D. Bracts. E. Flower. F. Longitudinal section of the flower. G. Fruit. Photos by Silva, G.L.

Passiflora natalensis G.L.Silva & Mezzonato, sp. nov. 

Type: BRAZIL. Rio Grande do Norte: Natal, Ponta Negra, Rota do Sol, outside Barreira do Inferno, stuck in cashew tree branches, 48 m, 5º53’45.1” S, 35º10’38.9” W, 20 June 2023, fl, fr, G.L. Silva 313 (holotype: RN! [RN00007336]; isotypes: CESJ!, RB!).

 

 The new species differs from P. cincinnata by the presence of two to three smooth glands (vs. two, crateriform); leaf blades always 5-lobed from young stages to maturity in the same plant (vs. (3)-5-lobed), always having a pair or two of horizontal slits in the central lobe (vs. absent). It also differs by the sometimes present pair or two of horizontal slits in the adjacent lobe (vs. absent); eight filament series of the corona (vs. 13-17), two outer series (vs. four), six inner series (vs. 9-13), the sparsely pubescent ovary (vs. glabrous) and the absence of the operculum (vs. filamentous operculum) (Table 1).

Etymology ‒ The specific epithet honors the city of Natal and the “Parque Estadual Dunas de Natal” Natal Dunes State Park, where this new species was seen for the first time. The park is the state’s first Conservation Unit, created in 1977 and recognized by the United Nations Educational, Scientific and Cultural Organization (UNESCO) as part of Brazil’s Atlantic Forest Biosphere Reserve IDEMA, 2021).

Passiflora natalensis compared to its most similar species, P. cincinnata.
A-B: Passiflora natalensis sp. nov. A. Flower. B. Longitudinal section of flower with the absence of the operculum (white arrows where normally operculum can be found in Passiflora species).
C-D. P. cincinnata: C. Flower. D. Longitudinal flower section with filamentous operculum (white arrows). Photos by Silva, G.L.

Gláucia Lidiane da Silva, Alan de Araújo Roque, Rubens Teixeira de Queiroz and Ana Carolina Mezzonato-Pires. 2024. Passiflora natalensis, A New Species of Passiflora (Passifloraceae sensu stricto) from the Atlantic Forest of northeastern Brazil. Acta Botanica Brasilica. 38; DOI: doi.org/10.1590/1677-941X-ABB-2023-0282  
 Researchgate.net/publication/387327238_Passiflora_natalensis_a_new_species_from_the_Atlantic_Forest_of_NE_Brazil

[Botany • 2024] Passiflora pitalensis (Passifloraceae) • A New Species of Passiflora Subgenus Passiflora in the Flora of Colombia discovered in uncharted Andean territory

Passiflora pitalensis  Arrigui-Torres, J.Ocampo & Rosero-Toro, 

in Arrigui-Torres, Ocampo et Rosero-Toro, 2024.

DOI: doi.org/10.11646/phytotaxa.642.2.4 

Abstract

A new species of Passiflora belonging to the subgenus Passiflora (supersection Stipulata, section Kermesinae) is described and illustrated from living material and herbarium specimens. Passiflora pitalensis is similar to P. lehmannii, and it can be recognized primarily by its petiole green, leaves with broader lobes, peduncle green, bract lanceolate, corona filaments in 5 series with outer filaments in 2 series, fruit ovoid, and seed margin dentate. This species is rare and endemic to Colombia in the Andean region at elevations ranging from 1,749–2,027 m and should be considered Endangered (EN) due to its restricted occurrence with a small population size of no more than 90 individuals.

 Eudicots, Andes, Endemic species, Huila, Macizo Colombiano, new taxon, passionflower  

 Passiflora pitalensis.
Lankester composite dissection plant style sheet from holotype (E. Arrigui-Torres, J. Ocampo & J.H. Rosero-Toro 221; SURCO!).
A mature plant of Passiflora pitalensis. A. Lateral view of the flower. B. Alternate view of the flower. C. Flower bud. D. Front view of the flower. E. Cross section of the flower. F. View of the leaf with stipule. G. Detail of marginal petiolar stipitate glands. H. Abaxial surface of the leaf. I. Detail of ocelli on the abaxial surface of the leaf. J. Ripe fruit. K. Cross section of mature fruit. L. Detail of dry seed.  

Photographs by Edwin Arrigui-Torres.

 Passiflora pitalensis Arrigui-Torres, J.Ocampo & Rosero-Toro

Etymology:—The specific epithet is in honor of the municipality El Pital where the new species was observed for the first time. El Pital is located in the southwest of the department of Huila, on the upper valley plain of the Magdalena River in the foothills of the central mountain range of Colombia (Cordillera Central) in the region known as Macizo Colombiano.

Edwin ARRIGUI-TORRES, John A. OCAMPO and Jeison Herley ROSERO-TORO. 2024. A New Species of Passiflora (Passifloraceae, subgenus Passiflora) in the Flora of Colombia discovered in uncharted Andean territory. Phytotaxa. 642(2); 156-168. DOI: doi.org/10.11646/phytotaxa.642.2.4  [2024-03-28]

https://x.com/Edwin_Arrigui/status/1773326825990570196

Researchgate.net/publication/379504612_A_new_species_of_Passiflora_in_the_Flora_of_Colombia

https://www.behance.net/gallery/194995083/Passiflora-pitalensis

[Botany • 2025] Passiflora quimiana (Passifloraceae) • A New Species of Passiflora Subgenus Decaloba from the Cordillera del Cóndor: Ecuador's far-flung frontier

  

Passiflora quimiana  Kuethe & H.Garzón,  

in Kuethe, Garzón-Suárez, Jiménez, Zavatin et Goucher, 2025. 

 DOI: doi.org/10.1002/njb.04854 

Abstract

A new species of Passiflora subgenus Decaloba, supersect. Decaloba, from the Cordillera del Cóndor in Ecuador, is described and illustrated, with its morphological similarities to other species being discussed in this paper. Passiflora quimiana exhibits the unique combination of narrow ovate to long-oval leaves and small foliaceous bracts. Morphologically it is the most similar to Passiflora quadriflora from Peru, from which it differs by the size of the floral organs, the foliaceous bracts, the structure of the corona, with the inner series slightly swollen at the apices, and the raised limen. It is currently known from a single locality only, occurring as a vine in submontane vegetation of sandstone plateaus.

Keywords: condorita, Decaloba, El Quimi Biological Reserve, Granadilla, Maracuja, Passionflower

Lankester composite dissection plate (LCDP) of Passiflora quimiana sp. nov., showing the morphological anatomy of the species.

LCDP constructed by Danilo A. Zavatin and 

composed of pictures taken by Henry Garzón-Suárez and Andreas Kay.

(A–C) Comparative plate between Passiflora quimiana sp. nov. and (D–F) Passiflora quadriflora. Note the differences in floral coloration, vegetative vestiture and variegation. Photos taken in situ.

Photo courtesy by Henry Garzón-Suárez (B–C); Jhon Yuca (D–F). The late Andreas Kay took photo A.

Passiflora quimiana Kuethe & H.Garzón sp. nov.  

Diagnosis: A species similar to Passiflora quadriflora, but differing in the larger flower (>4 cm versus <4 cm), the foliaceous bracts (opposed to setaceous), the vegetative pubescence on both stems and leaves (versus glabrous throughout), the slightly laterally compressed outer corona series (versus filiform), and the capitate structure of the inner corona (versus capillary).

 Etymology: The species is named after the Reserva Biológica El Quimi, one of the biological reserves within the Cordillera del Cóndor and the location of its discovery.

J. R. Kuethe, Henry Garzón-Suárez, Marco M. Jiménez, Danilo A. Zavatin and Dave Randall Goucher. 2025. Passiflora quimiana, A New Species from the Cordillera del Cóndor: Ecuador's far-flung frontier. Nordic Journal of Botany. DOI: doi.org/10.1002/njb.04854  [04 June 2025]

[Botany • 2021] Passiflora jorgeana (Passifloraceae) • A New Species of Passiflora Section Astrophea from Bahia, Brazil

 Passiflora jorgeana Mezzonato, 

in  Mezzonato-Pires, Calazans et Valadares, 2021.

DOI: 10.3417/2020630

 Researchgate.net/publication/349083821

Abstract

This work describes a new species of Passiflora L. from the extreme west of the state of Bahia, Brazil. The new species, P. jorgeana Mezzonato, is placed in Passiflora subg. Astrophea (DC.) Mast. and is illustrated and compared to four morphologically similar species. Morphological features, geographic distribution, and conservation status are discussed.

Keywords: Cerrado, Passiflora, passion flowers, section Pseudoastrophea

 Passiflora jorgeana Mezzonato.
-A. Habit. -B. Leaf blade. -C. Gland in abaxial surface, junction of the leaf blade with petiole. -D. Flower. -E. Fruit. -F. Longitudinal section of flower.

Scale bars: A, C, D = 5 mm; B = 2 mm; E, F = 10 mm.

  Comparison to morphologically similar species.
A. Passiflora jorgeana Mezzonato. -B. Passiflora bernaccii Mezzonato.
 -C. Passiflora mansoi (Mart.) Mast. var. mansoi. -D. Passiflora rhamnifolia Mast.

 Scale bar: A-D = 5 mm. 

Photos from L. S. B. Calazans (A), M. Silveira (B), and A. C. Mezzonato-Pires (C, D).

Passiflora jorgeana Mezzonato, sp. nov.

 Habitat of Passiflora jorgeana Mezzonato.
-A. General view of Cerrado s.l. -B. View of P. jorgeana climbing on small trees typical from Cerrado. -C. Detail of one climbing branch of P. jorgeana.

Ana Carolina Mezzonato-Pires, Luana Silva Braucks Calazans and Rodrigo Theófilo Valadares. 2021. Passiflora jorgeana, A New Species of Passiflora (Passifloraceae) from Bahia, Brazil. Novon: A Journal for Botanical Nomenclature. 29; 1-8. DOI: 10.3417/2020630 

Researchgate.net/publication/349083821_Passiflora_jorgeana_A_New_Species_from_Bahia_Brazil

[Botany • 2024] Piriqueta velutina (Turneraceae: Passifloraceae s.l.) • A New endangered Species from the Brazilian Cerrado

Piriqueta velutina L.Rocha & Arbo, 

in Rocha, Arbo, Antar et Costa Batista, 2024. 

 DOI: 10.1007/s12225-023-10157-1 

 twitter.com/KewBulletin 

Summary

Piriqueta velutina is described as a new species, illustrated, geographically mapped and its diagnostic characteristics and taxonomic affinities are described. The new species can be recognised mainly by the presence of serial branches (branches from serial buds predominantly in the apical portion of the plant), the short internodes and oblique or erect leaves which partially overlap in dried specimens; the ovate to elliptic leaf blade with a golden brown velutinous indumentum, and the conical or bulbous bases of the glandular setiform trichomes, frequently darkened on young leaf margins and on the abaxial surface. Its conservation status is preliminarily assessed as Endangered, it occurs in Brazilian Cerrado (savanna vegetation), in the Jalapão region, state of Tocantins, North region of Brazil.

Key Words: Brazilian flora, Malpighiales, taxonomy, Tocantins, Turneroideae.

Piriqueta velutina. A habit, detail showing the leaf indumentum with glandular setiform trichomes with darkened bulbous bases;
B – C seed; B raphe view; C lateral view. X = exostome, Z = chalaza (From J. Cordeiro et al. 2768 at HUEFS). Scale bar = 1 mm. Photos: G. M. Antar .

Piriqueta velutina L.Rocha & Arbo sp. nov. 

ETYMOLOGY. The epithet “velutina” refers to the species’ indumentum.

Lamarck Rocha, Maria Mercedes Arbo, Guilherme Medeiros Antar and Fabiane Rabelo da Costa Batista. 2024. Piriqueta velutina (Turneraceae, Passifloraceae s.l.): A New endangered Species from the Brazilian Cerrado. Kew Bull.  DOI: 10.1007/s12225-023-10157-1

  twitter.com/KewBulletin/status/1764264608259293547

[Botany • 2020] Turnera macrosperma (Turneraceae: Passifloraceae s.l.) • A New Species from the Brazilian Cerrado

 Turnera macrosperma L.Rocha & Arbo,    

in Rocha et Arbo, 2020. 

DOI: 10.1600/036364420X16033963649309 

 Researchgate.net/publication/347675851

Abstract 

Turnera macrosperma, a new species from the Brazilian Cerrado, is described and illustrated. The new species belongs to the series Turnera and can be characterized by the white petals with dark blue/violet basal spot and large seeds with papillose aril. SEM images, distribution map, and comments on taxonomy and morphology are presented.

Keywords: Malpighiales; Protected areas; gen. Turnera ser. Turnera; taxonomy

  Turnera macrosperma.
A-D. Populations from Tocantins (A-B, D) and Goiás (C). B. Detail of reproductive branch, showing a floral button (X) and an immature fruit (Y). D. Habitat, in savanna vegetation (Cerrado domain) of Tocantins, Brazil.

Photos: J. Fiori (A-B, D) and P. L. Ribeiro (C).

Turnera macrosperma L.Rocha & Arbo, sp. nov. 

Lamarck Rocha and Maria Mercedes Arbo. 2020. A New Species of Turnera (Turneraceae, Passifloraceae s. l.) from the Brazilian Cerrado. Systematic Botany. 45(4); 826-832. DOI: 10.1600/036364420X16033963649309

  Researchgate.net/publication/347675851_A_New_Species_of_Turnera_from_the_Brazilian_Cerrado

[Botany • 2023] Passiflora acreana (Passifloraceae) • A New Species of Passiflora Section Granadillastrum from Acre, Brazil

Passiflora acreana Mezzonato & Marc.Silveira, 

in Mezzonato-Pires, Silveira & Oliveira, 2023.

DOI: 10.11646/phytotaxa.579.1.4  

 facebook.com/MarcosSilveira963

Abstract

The new species described here was collected during expeditions carried out in the Lago do Amapá Environmental Protection Area, located in Acre State, Brazil. Morphological analysis and comparisons with close species confirmed that the collected specimens are a new species for science. Passiflora acreana was placed in P. subg. Passiflora, sect. Granadillastrum Triana & Planch., and can be distinguished by the presence of foliaceous, reniform, awned stipules, 4–8 pedunculate petiolar glands, with apex concave, and corona with 10 series of filaments. Descriptions, illustrations, distribution map, and conservation status are presented.

Keywords: Amazon rainforest, biodiversity, section Granadillastrum, Eudicots

Passiflora acreana Mezzonato & Marc.Silveira

Ana Carolina Mezzonato-Pires, Marcos Silveira, Mayk Honório de Oliveira. 2023. Passiflora acreana, A New Species of Passiflora subgenus Passiflora (Passifloraceae sensu stricto) from Acre, Brazil. Phytotaxa. 579(1); 39-46. DOI: 10.11646/phytotaxa.579.1.4 

  facebook.com/MarcosSilveira963/posts/10209575735145764

[Botany • 2022] Passiflora calicicalyx (Passifloraceae) • A New Species of Passiflora Section Decaloba from Bolivia

 Passiflora calicicalyx T. Boza & J. M. MacDougal, 

in MacDougal & Espinoza, 2022. 

DOI: 10.3417/2022304 

 ResearchGate.net/publication/359075988

Abstract

Passiflora calicicalyx T. Boza & J. M. MacDougal, a new species of Passiflora L. known only from near Cochabamba, Bolivia, is described and illustrated from photographs and dry material. The new species is similar to P. tatei Killip & Rusby but differs by being glabrescent, with glabrous ovary, and entire bracts only toward the base of the peduncle. It is placed in Passiflora subg. Decaloba (DC.) Rchb. sect. Decaloba DC.

Keywords: Bolivia, endemic, Passiflora, Passiflora tatei, Passifloraceae, subgenus Decaloba

 Passiflora calicicalyx T. Boza & J. M. MacDougal.
 -A. Habit, flowering branch. -B. Flower. -C. Flower, longitudinal section. -D. Left to right: individual coronal outer and inner filament, and petal. -E. Node with immature fruit.

Drawn from the type collection (Boza & Uzquiano 2094) by Alba L. Arbelaez.

 Passiflora calicicalyx T. Boza & J. M. MacDougal.
-A. Flower. -B. Flower, side view, with buds in background. -C. Branch with buds and open flowers, habit; note extrafloral nectaries on leaves. -D. Base of flowers, adaxial view showing cup shape where pedicel attaches; note also the carinate sepals and the small petals. -E. Transverse section of flower showing outer corona, inner corona and operculum, nectary, androgynophore and gynophore, and ovary. -F. Detail of flower showing (top downward) gynoecium, stamens, swollen base of androgynophore, operculum and inner corona, and base of outer coronal filaments fused to base of sepal.

Scale bars: A, B, D = 5 mm; C = 1 cm; E, F = 2 mm. 

Photographs of the type collection (Boza & Uzquiano 2094) in the field by Tatiana Boza.

Passiflora calicicalyx T. Boza & J. M. MacDougal, sp. nov.

Passiflora calicicalyx T. Boza & J. M. MacDougal a ceteris speciebus ad Passifloram L. subg. Decalobam (DC.) Rchb. sect. Decalobam DC. pertinentibus foliorum lobis lateralibus inter se angulum 23°–30° formantibus, corona alba vittis purpureis ornata atque androgynophoro 9–10.5 mm longo distinguitur; praecipue a specie simili P. tatei Killip & Rusby planta glabrescente, ovario glabro atque bracteis floralibus ad partem inferiorem pedunculi portatis distinguitur.  

Etymology. The species is named for its conspicuously and rather narrowly abaxially indented cup-shaped floral tube (hypanthium/floral cup/calyx tube; see Tillett, 1988), leading to a conspicuously expanded base of the androgynophore and a hidden attachment of the floral stipe (pedicel) into the flower. Literally, a chalice-shaped calyx, a play on words. 

John M. MacDougal and Tatiana Erika Boza Espinoza. 2022. Passiflora calicicalyx, A New Species in Section Decaloba (Passifloraceae) from Bolivia. Novon: A Journal for Botanical Nomenclature. 30; 13-17. DOI: 10.3417/2022304

  ResearchGate.net/publication/359075988_Passiflora_calicicalyx_a_New_Species_from_Bolivia

[Botany • 2022] Passiflora ketura (Passifloraceae) • A New Species of Passiflora Section Decaloba from Peru

Passiflora ketura S.S. Tillett & J.M. MacDougal,  

in MacDougal & Tillett, 2022.

  DOI: 10.11646/phytotaxa.556.1.1

Illustration by Alba Arbelaez.

 

Abstract

Passiflora ketura, a new species of Passiflora (Passifloraceae) endemic to the mountain forests in Amazonas Department, Northern Peru, is described and illustrated from herbarium material. It is compared to similar species and placed in subgenus Decaloba section Decaloba.

Keywords: Chachapoyas, IUCN Red List, Passiflora subgenus Decaloba, Eudicots

 

Passiflora ketura S.S. Tillett & J.M. MacDougal.
 A. Habit of flowering branch. B. Variations in leaf shape and two nodes with peduncles and stipules. C. Detail of laminar extrafloral nectary glands on abaxial surface of leaf at axil of central and a lateral vein. D. Flower. E. Seed, with remnant of raphe at right side.

A, C–D from Cevasco s.n.; B from Woytkowski 7804 (left) and Cevasco s.n. (middle and right); E from Woytkowski 7804. 

Illustration by Alba Arbelaez.

Passiflora ketura S.S. Tillett & J.M. MacDougal, sp. nov. 

Passiflora ketura is a small vine with bilobed leaves. It belongs to P. subgenus Decaloba supersection Decaloba based on the plicate operculum, transversely grooved seeds, variegated leaves, and to section Decaloba based on the presence of laminar extrafloral nectaries in rows between the main veins and by the verrucose or rugulose ridges on the seeds. It differs from the similar P. indecora by its narrow bracts (0.3–0.7 vs. 2–8 mm wide), and from the similar P. santos-llatasii by its smaller flowers (sepals 11–14 vs. 18–20 mm long) and smaller fruits (ca. 10 mm vs. ca. 40 mm long).

 Etymology. The name is derived from the Greek ketos, whale, and ura, tail, referring to the distinctive bilobed shape of the leaf that resembles the tail fluke of a cetacean.

John M. MacDougal and Stephen S. Tillett. 2022. Passiflora ketura, A New Species of Passiflora Section Decaloba (Passifloraceae) from Peru. Phytotaxa. 556(1); 1-7. DOI: 10.11646/phytotaxa.556.1.1

RESUMEN: Passiflora ketura, una nueva especie de Passiflora (Passifloraceae), endémica de los bosques de montaña en el Departamento Amazonas, Norte del Perú, se describe e ilustra de material de herbario. Se compara con especies similares y se propone ubicarla en el subgénero Decaloba sección Decaloba. 

Palabrasclave: Chachapoyas, Lista Roja de la IUCN, Passiflora subgénero Decaloba

[Botany • 2019] Passiflora menghaiensis (Passifloraceae) • A New Species from Yunnan, China

 Passiflora menghaiensis X. D. Ma, L. C. Yan & J. Y. Shen

in Ma, Yan, Krosnick, et al., 2019. 

DOI: 10.6165/tai.2019.64.97

Abstract

Passiflora menghaiensis (Passifloraceae), a new species from Menghai, Yunnan, China, is described and illustrated. The species is placed in Passiflora subgenus Decaloba, supersection Disemma, section Octandranthus. It is compared with two morphologically similar species in section Octandranthus, P. kwangtungensis and P. geminiflora. Passiflora menghaiensis differs from the preceeding species by the combination of two flowers per inflorescence, the outer series of coronal filaments white, the inner series of coronal filaments light green, and puberulous fruit. A complete morphological description of P. menghaiensis is provided, together with line drawings, photographs, a conservation assessment, and a diagnostic key to fourteen species of Passiflora subgenus Decaloba supersection Disemma section Octandranthus from China.

Keyword: China, Decaloba, Disemma, Octandranthus, Passiflora menghaiensis, Passifloraceae, Xishuangbanna, Yunnan

Fig. 2. Passiflora menghaiensis X. D. Ma, L. C. Yan & J. Y. Shen.
A. Habitat. B. Longitudinal section of flower. C. Seed. D. Petiole glandular nectaries. E. Abaxial leaf nectary.

Drawn by Zhen-Long Liang

       

Fig.1. Passiflora menghaiensis X. D. Ma, L. C. Yan & J. Y. Shen.
 A. Front view of flower. B. Later view of flower. C. Habitat. D, Back view of flower. E. Abaxial leaf surface. F. Mature seed. G. Mature fruit.

Photo by Jian-Yong Shen.

Passiflora menghaiensis X. D. Ma, L. C. Yan & J. Y. Shen, sp. nov

Diagnosis: P. menghaiensis can be distinguished from P. kwangtungensis, and P. geminiflora by several morphological features. Passiflora menghaiensis has two flowers per inflorescence, the outer series of coronal filaments are white, the inner series of coronal filaments are light green, and the fruit is puberulous.  

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Etymology: The specific epithet is derived from the type locality, Menghai County, Xishuangbanna Prefecture, Yunnan, China.

Xing-Da Ma, Li-Chun Yan, Shawn E. Krosnick, Ren-Bin Zhu, Ji-Pu Shi and Jian-Yong Shen. 2019. Passiflora menghaiensis, A New Species of Passifloraceae from Yunnan, China. Taiwania. 64(2); 97-102. DOI: 10.6165/tai.2019.64.97

   

[Botany • 2018] Passiflora kumandayi • A New Species (Passifloraceae) from the Colombian Andes in A New Section within Subgenus Decaloba

Passiflora kumandayi M.A. Buitrago A. & Coca

in Buitrago A., MacDougal & Coca, 2018. 

DOI:  10.11646/phytotaxa.344.1.2 

Abstract

A new species of passion flower from the Cordillera Central of the Colombian Andes is here described; Passiflora kumandayi M.A. Buitrago A. & Coca (subgenus Decaloba, supersection Auriculata). This species, along with five other closely related Andean species, comprise a monophyletic group characterized by paired branched inflorescences and small flowers with short or absent androgynophores. A provisional key to the species in the newly described section Apodae is presented. Passiflora kumandayi is here illustrated and its affinities with related species are discussed based on morphology and phylogenetic binning analysis using molecular site weight calibration.

Keywords: Passiflora, section Apodae, subgenus Decaloba, Colombia, Molecular Site Weight Calibration, Eudicots

María Alejandra Buitrago A., John M. MacDougal and Luis Fernando Coca. 2018. Passiflora kumandayi (Passifloraceae), A New Species from the Colombian Andes in A New Section within Subgenus Decaloba. Phytotaxa. 344(1); 13–23. DOI:  10.11646/phytotaxa.344.1.2

[Botany • 2017] Delimitation of the Series Laurifoliae in the Genus Passiflora (Passifloraceae)

Flowers of some Passiflora series Laurifoliae.

DOI: 10.11646/phytotaxa.309.3.5 

Abstract

Within the huge diversity of genus Passiflora, series Laurifoliae constitutes a strikingly uniform group, widely distributed in neotropical rain forests, at low to moderate elevations. Given its morphological and ecological unity, Killip mentionned it as an «exceedingly difficult» group. The lack of clear morphological criteria has not helped in delimiting it, and the confusion has grown with the addition of new species and criteria. As a preliminary step in the study of diversity within series Laurifoliae, we re-examine its morphological delimitation, assessing how its current 29 species (including the highly similar P. pachyantha and P. killipiana) conform to 20 criteria from different authors. Three criteria (indumentum on vegetative parts, stipule glands, membranous limen) appear to be irrelevant, because they are either too variable or rarely recorded in the species descriptions. Using the 17 remaining ones, 24 typical species show very limited variations, five of them differing by only one criterion. Among them, we retain terete to angular stem, setaceous or linear stipules soon deciduous, petiolar glands in one pair, leaves oblong, neither peltate nor lobate, three glandular bract over 1 cm long and free, flowers pendent, with two campanulate outer series of filaments (most other series much reduced or aborted). Five species, P. guazumaefolia, P. kikiana, P. odontophylla, P. ischnoclada, and P. maliformis, differ by three to nine traits, not found in the typical representatives of the series, so they can be excluded from it. Passiflora kikiana should be classified into series Kermesinae. For the four other ones, a satisfactory solution implies a more global study, involving other series.

Keywords: Violales, Malpighiales, Passifloraceae, Passiflora, Eudicots

Figure 1. Flowers of the series Laurifoliae.
A: Passiflora acuminata (photo: J. B. Fernandes da Silva); B: P. ambigua (photo: R. Aguilar); C: P. venusta (photo: D. Scherberich); D: P. cerasina (photo: M. Vecchia); E: P. crenata (photo: M. Rome); F: P. fissurosa (photo: M. de Souza); G: P. laurifolia (photo: F. Booms); H: P. nigradenia (photo: D. Scherberich); I: P. nitida (photo: M. Rome); J: P. popenovii (photo: G. Coppens d’Eeckenbrugge) ; K: P. rufostipulata (photo: C. Houel); L: P. gabrielliana (photo: M. Rome) : M: P. ischnoclada (photo: C. Houel); N: P. kikiana in Cervi (2010); O: P. guazumaefolia (photo: J. Ocampo); P: P. odontophylla (flower of the type specimen). 

Conclusion: 

Several diagnostic characters used by Killip and Cervi (indumenta on vegetative organs, glandular stipules, bracts rounded at apex (with reservation), limen presence and shape), appear to be variable in the series, so they can still be used to differentiate species of the series, not to delimit the series. As a variable quantitative trait, leaf width is also questionable. The criteria “campanulate calyx tube” and “tubular or filamented operculum” are characters shared by all species of supersection Laurifolia. We can also exclude them from the definition of series Laurifoliae. These modifications allow restoring a homogeneous series Laurifoliae, which could be defined as follows:

 Series Laurifoliae — Plants glabrous to pubescent. Stems terete to angular, wingless, sometimes corky on old parts. Stipules linear to setaceous, early deciduous. Petiole with two discoid to oblong sessile glands (except in populations of P. popenovii). Leaves unlobate, oblong-lanceolate, entire to glandular-serrulate, not peltate. Bracts three, in involucre, free at base, more than 1 cm long and glandular. Flowers pendent. Outer series of filaments two, campanulate (most other series much reduced or aborted).

 Currently, series Laurifoliae includes 24 species corresponding to the above criteria: P. acuminata, P. ambigua, P. capparidifolia, P. cerasina, P. chaparensis, P. crenata, P. fernandezii, P. fissurosa, P. gabrielliana, P. gleasonii, P. kapiriensis, P. killipiana, P. laurifolia, P. metae (when type effectively deposited), P. nigradenia, P. nitida, P. pachyantha, P. pergrandis, P. phellos, P. popenovii, P. riparia, P. rufostipulata, P. tolimana, and P. venusta.

Maxime Rome and Geo Coppens d'Eeckenbrugge. 2017. Delimitation of the Series Laurifoliae in the Genus Passiflora (Passifloraceae). Phytotaxa. 309(3); 245–252.  DOI: 10.11646/phytotaxa.309.3.5