[Botany • 2026] Disporum yobinorum (Colchicaceae) • A New Species from Eastern Himalaya, India

  

Disporum yobinorum 

in Sahani et Chowlu, 2026. 

DOI: doi.org/10.11646/phytotaxa.767.1.11 

Researchgate.net/publication/410044052

Disporum Salisbury (1812) (Colchicaceae) comprises 42 accepted species worldwide (POWO 2026). In India, Disporum is represented by 10 accepted names including 6 species and varieties (POWO, 2026). Additionally, Dasgupta (2006) treated all Indian taxa under a single species; a broadly circumscribed D. cantoniense (Loureiro; 1790: 206) Merrill (1919: 229). There are 24 species distributed in Bhutan, China, India, Japan, Korea, Laos, Malaysia, Myanmar, Nepal, Russia, Sikkim, Thailand and Vietnam (Liang & Tamura 2000, Li et al. 2007, Hu et al. 2016, Zhu et al. 2016 Hareesh et al. 2018, WCSPF 2018).

Monocots, Disporum yobinorum, new species, Eastern Himalaya, Colchicaceae

Disporum yobinorum sp. nov. 

VINAY KUMAR SAHANI and KRISHNA CHOWLU. 2026. Disporum yobinorum (Colchicaceae), A New Species from Eastern Himalaya, India.  Phytotaxa. 767(1); 93-97. DOI: doi.org/10.11646/phytotaxa.767.1.11 [2026-07-16] 

Researchgate.net/publication/410044052_Disporum_yobinorum_a_new_species_from_Eastern_Himalaya_India

[Botany • 2025] Colchicum akanii (Colchicaceae) • A New long-necked Species from Turkey

 

Colchicum akanii Sonay, M. Keskin & Balos, 

in Keskin, Sonay et Balos, 2025. 

  instagram.com/MarufBalos

Colchicum akanii Sonay, M. Keskin & Balos (Colchicaceae) from Elazığ, eastern Turkey, is described as a new species. It is morphologically similar to C. balansae and C. macrophyllum, but differs from them mainly by the structure of the corm and outer and inner tunics, cataphyll colour, leaf shape and size, tessellate perigon, filament that is much shorter than tepals, as well as capsule and seed structure. Following the IUCN criteria, we assessed C. akanii to be Critically Endangered (CR).

Colchicum akanii Sonay, M. Keskin & Balos

Keskin M., Sonay V. & Balos M.M. 2025. Colchicum akanii (Colchicaceae), A New long-necked Species from Turkey.  Ann. Bot. Fennici. 62: 11–17. 

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[Botany • 2024] Disporum chiangdaoense, D. dorsifixerum, D. phuhinrongklaensis & D. scabridum • Taxonomic Revision of Disporum (Colchicaceae) from Thailand including Four New Species

 จักรเศวตร Disporum phuhinrongklaensis Sarapan & Chamch., 

มณีราคหมันแดง D. scabridum Sarapan & Hodk.,

 

ชมพูจักร D. dorsifixerum Sarapan & Suwanph., 

ว่านหัวสืบเชียงดาว D. chiangdaoense Sarapan & Suwanph., 

 

 in Sarapan, Chamchumroon, Hodkinson et Suwanphakdee, 2024. 

DOI: 10.3767/blumea.2024.69.02.04 

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Abstract 

We present a taxonomic revision of the genus Disporum in Thailand based on Thai specimens including descriptions of the genus and species, a key to the species, illustrations and lectotypifications. The dorsifixed anther attachment is a new character for the genus. There is a total of six species in Thailand, including the four new species described here, namely D. chiangdaoense, D. dorsifixerum, D. phuhinrongklaensis and D. scabridum, and two well-known species D. calcaratum and D. cantoniense. Anatomical and pollen morphological characters can be used for species diagnoses and they strongly support the morphological recognition of the four new species. New lectotypifications of synonyms are provided for D. wallichii, Uvularia calcarata and U. hamiltoniana.

Keywords: Colchicaceae; Disporum; Flora of Thailand; Liliales; Uvularieae; leaf anatomy; new species; pollen morphology; taxonomy

 Disporum calcaratum D.Don  ว่านหัวสืบ 

Distribution — India, China, Nepal, Bhutan, Myanmar, Thailand (Mae Hong Son, Chiang Mai, Chiang Rai, Nan, Lumpang, Loei, Kanchanaburi), Malaysia, Laos, Vietnam, Korea, and Japan.

 Habitat & Ecology — In open areas, along roadsides in pine and oak forests at 1450–1800 m elevation. Flowering: May to July; fruiting: July to December

 Disporum cantoniense (Lour.) Merr.
a. Plant with distal branching and inflorescence; b. inflorescences; c. flowers; d. tepals with spur; e. stamens; f. pistil; g. fruits. — Photos by C. Suwanphakdee.

 Disporum cantoniense (Lour.) Merr. ว่านหัวสืบน้อย

Distribution — India, China, Tibet, Nepal, Sri Lanka, Myanmar, Laos, Vietnam Thailand (Mae Hong Son, Chiang Mai, Phayao, Nan, Lamphun, Loei), Malaysia, Indonesia. 

Habitat & Ecology — In open areas or along roadsides of mixed deciduous or evergreen forests (pine forest) at 800– 1600 m elevation. Flowering: June to August; fruiting: July to December.

 

Disporum chiangdaoense Sarapan & Suwanph.
a. Plant with inflorescences; b. inflorescence; c. flowers; d. tepals with spur; e. stamens; f. pistil; g. fruits. — Photos by P. Limpanasittichai.

Disporum chiangdaoense Sarapan & Suwanph., sp. nov. 

Disporum chiangdaoense differs from D. calcaratum in its perianth that is white and green or cream at apex (vs pink and purple in D. calcaratum) and the ridge of the spur is glabrous (vs papillose in D. calcaratum). 

Etymology. The specific epithet refers to Chiangdao Wildlife Sanctuary, Chiang Mai Province, where the type specimens were collected.

 Distribution — Endemic to Thailand (Provinces: Mae Hong Son (Mueang District); Chiang Mai (Chiangdao Wildlife Sanctuary)). 

 Habitat & Ecology — In open areas or along roadsides of evergreen forest at 1200–2000 m elevation. Flowering: June to July; fruiting: August to February.

Disporum dorsifixerum Sarapan & Suwanph.
a. Plant with inflorescences; b. inflorescence; c. flowers; d. tepals with spur; e. stamens; f. pistil; g. fruits. — Photos by Y. Banchong.

Disporum dorsifixerum Sarapan & Suwanph., sp. nov. 

 Disporum dorsifixerum has dorsifixed anthers; it differs from D. calcaratum in its flowers which are rotate (vs campanulate in D. calcaratum); the ridge of the spur that lacks papillae (vs papillose in D. calcaratum), and the tepals that are apically green (vs pale pink in D. calcaratum). 

Etymology. The specific epithet refers to the dorsifixed anther attachment that is a unique distinguishing character for this species

Distribution — Endemic to Thailand (Lamphun: Doi Khun Tan National Park; Tak: Thung Yai Naresuan Wildlife Sanctuary). 

 Habitat & Ecology — In open areas and along roadsides of mixed deciduous and evergreen forests at 1300–1800 m elevation. Flowering: July to August; fruiting: July to December.

Disporum phuhinrongklaensis Sarapan & Chamch.
a. Whole plant; b. inflorescences; c. flowers; d. tepals with spur; e. stamens; f. pistil; g. fruits. — Photos by P. Limpanasittichai.

Disporum phuhinrongklaensis Sarapan & Chamch., sp. nov.

Disporum phuhinrongklaensis differs from D. calcaratum in its flowers that are rotate and white and green at the apex (vs campanulate and pink or dark purplish red in D. calcaratum); the ridge of the spur is glabrous (vs papillose in D. calcaratum); the filaments and style are white (vs pink or purple in D. calcaratum). 

Etymology. The specific epithet refers to Phu Hin Rong Kla National Park, Phitsanulok province, where the type specimens were collected.

Distribution — Endemic in Thailand (Chiang Mai: Si Lanna National Park, Phitsanulok: Phu Hin Rong Kla National Park). 

 Habitat & Ecology — In open areas or along roadsides of mixed deciduous and evergreen forests at 800–1200 m elevation. Flowering: May to June; fruiting: July to December

Disporum scabridum Sarapan & Hodk.
 a. Whole plants; b. inflorescences; c. flowers; d. tepals with spur; e. stamens; f. pistil; g. fruits. — Photos by C. Suwanphakdee. 

Disporum scabridum Sarapan & Hodk., sp. nov. 

Disporum scabridum differs from D. calcaratum in its flowers that are tubulate to campanulate with a deep purple red apex (vs campanulate with pink or pale pink apex in D. calcaratum); the basal tepal and spur are densely scabrous (vs glabrous in D. calcaratum). 

 Etymology. The specific epithet refers to the densely scabrous spur that is characteristic of the species.

Distribution — Endemic to Thailand (Pitsanulok: Phu Hin Rong Kla National Park).

 Habitat & Ecology — In open areas and along roadsides of mix deciduous or evergreen forests at 1000–1800 m elevation. Flowering: June to July; fruiting: July to November.

Anuwat Sarapan, Voradol Chamchumroon, Trevor R. Hodkinson and Chalermpol Suwanphakdee. 2024. Taxonomic Revision of Disporum (Colchicaceae) from Thailand including Four New Species.

Blumea - Biodiversity, Evolution and Biogeography of Plants.  DOI: doi.org/10.3767/blumea.2024.69.02.04

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พืชชนิดใหม่ของโลกในสกุลว่านหัวสืบ (𝐷𝑖𝑠𝑝𝑜𝑟𝑢𝑚) จำนวน 4 ชนิด ที่ค้นพบในครั้งนี้ ได้แก่

1. ว่านหัวสืบเชียงดาว 𝘋𝘪𝘴𝘱𝘰𝘳𝘶𝘮  𝘤𝘩𝘪𝘢𝘯𝘨𝘥𝘢𝘰𝘦𝘯𝘴𝘦 Sarapan & Suwanph. พบบริเวณป่าดิบเขา เขตรักษาพันธุ์สัตว์ป่าดอยเชียงดาว จังหวัดเชียงใหม่ เป็นไม้ล้มลุก สูงได้ถึง 94 ซม. ลำต้นอวบน้ำ สีม่วงแดงเข้มตลอดต้น มีขนสั้นหนาแน่น ใบเดี่ยว เรียงเวียน เกลี้ยง หลอดกลีบดอกด้านนอกสีขาวครีม ด้านในแฉกกลีบดอกและหลอดกลีบดอกสีขาวครีม คำระบุชนิด ‘𝑐ℎ𝑖𝑎𝑛𝑔𝑑𝑎𝑜𝑒𝑛𝑠𝑒’ เป็นภาษาละตินที่หมายถึง เขตรักษาพันธุ์สัตว์ป่าดอยเชียวดาวที่เป็นสถานที่เก็บตัวอย่าง  

2. ชมพูจักร 𝘋𝘪𝘴𝘱𝘰𝘳𝘶𝘮  𝘥𝘰𝘳𝘴𝘪𝘧𝘪𝘹𝘦𝘳𝘶𝘮 Sarapan & Suwanph. พืชถิ่นเดียวพบบริเวณป่าดิบเขา จังหวัดลำพูน  เป็นไม้ล้มลุก สูงได้ถึง 160 ซม. ลำต้นอวบน้ำ สีเขียวตลอดต้น ใบเดี่ยว เรียงเวียน เกลี้ยง หลอดกลีบดอกด้านนอกสีชมพู ด้านในแฉกกลีบดอกและหลอดกลีบดอกสีชมพู คำระบุชนิด ‘𝘥𝘰𝘳𝘴𝘪𝘧𝘪𝘹𝘦𝘳𝘶𝘮’ อธิบายลักษณะการติดของอับเรณู   

3. จักรเศวตร 𝘋𝘪𝘴𝘱𝘰𝘳𝘶𝘮 𝘱𝘩𝘶𝘩𝘪𝘯𝘳𝘰𝘯𝘨𝘬𝘭𝘢𝘦𝘯𝘴𝘪𝘴  Sarapan & Chamch. พืชถิ่นเดียวพบบริเวณป่าดิบเขา จังหวัดพิษณุโลกและเชียงใหม่ เป็นไม้ล้มลุก สูงได้ถึง 105 ซม. ลำต้นอวบน้ำ เขียวตลอดต้น ใบเดี่ยว เรียงเวียน เกลี้ยง หลอดกลีบดอกด้านนอกสีขาว ด้านในแฉกกลีบดอกและหลอดกลีบดอกสีขาว  คำระบุชนิด ‘𝘱𝘩𝘶𝘩𝘪𝘯𝘳𝘰𝘯𝘨𝘬𝘭𝘢𝘦𝘯𝘴𝘪𝘴’ หมายถึง อุทยานแห่งชาติภูหินร่องกล้าที่เก็บตัวอย่างต้นแบบ  

4. มณีราคหมันแดง 𝘋𝘪𝘴𝘱𝘰𝘳𝘶𝘮  𝘴𝘤𝘢𝘣𝘳𝘪𝘥𝘶𝘮  Sarapan & Hodk. พืชถิ่นเดียวพบบริเวณป่าดิบเขา ระดับทะเลปานกลาง 800-1,000 เมตร จังหวัดพิษณุโลก เป็นไม้ล้มลุก สูงได้ถึง 100 ซม. ลำต้นอวบน้ำ เขียวตลอดต้น ใบเดี่ยว เรียงเวียน เกลี้ยง หลอดกลีบดอกด้านนอกสีแดงเลือดนก ด้านในแฉกกลีบดอกและหลอดกลีบดอกสีแดงคำระบุชนิด ‘𝘴𝘤𝘢𝘣𝘳𝘪𝘥𝘶𝘮 ’ อธิบายลักษณะกลีบรวมที่รยางค์มีความสาก  

[Botany • 2019] Disporum nanchuanense (Colchicaceae) • A New Species from Chongqing, China

Disporum nanchuanense  X.X.Zhu & S.R.Yi

in Zhu, Liao & Yi, 2019. 

 Revealing of the Plant Diversity in China’s Biodiversity Hotspots. PhytoKeys. 130 

DOI: 10.3897/phytokeys.130.34005

Abstract

Disporum nanchuanense (Colchicaceae), a new species from Jinfo Mountain National Nature Reserve, Nanchuan District, Chongqing, China, is described and illustrated. It is similar to D. longistylum and D. megalanthum, but differs from the former in its stem branched type, tepals colour and size, stamens and pistil size; and it differs from the latter in inflorescence position, tepals shape, stamens position, pistil position and size. Meanwhile, the new taxon is assessed as Vulnerable (VU D2), according to the IUCN Red List criteria. Furthermore, an identification key to all Chinese species of Disporum is provided.

Keywords: Jinfo Mountain, Liliaceae, morphology, taxonomy

Figure 2. Disporum nanchuanense X.X.Zhu & S.R.Yi.
A Plant B–C Leaves D–E Inflorescences F Roots. Photographed by Xinxin Zhu.

Figure 1. Disporum nanchuanense X.X.Zhu & S.R.Yi.
A Plant B Leaf C Tepal in frontal view D Tepal in back view E Stamen F Pistil.

 Illustration by Huixia Dong. 

Disporum nanchuanense X.X.Zhu & S.R.Yi, sp. nov.

  

Diagnosis: Disporum nanchuanense X.X.Zhu & S.R.Yi is similar to D. longistylum (Léveillé & Vaniot) Hara and D. megalanthum Wang & Tang, but it differs from D. longistylum in its stem which is usually simple, rarely branched, tepals white with purple, apex obtuse, 22–25 × 2.8–4 mm, filaments 20–24 mm long, anthers 5.2–5.6 mm long and ovary ca. 4.6 mm long, style 27–29 mm long; and it differs from D. megalanthum in its inflorescences terminal, petiole 3–13 mm long, tepals white with purple, oblanceolate, apex obtuse, stamens distinctly exserted and ovary ca. 4.6 mm long, style 27–29 mm long, distinctly exserted. Detailed morphological comparison is shown in Table 1 and Figure 4.

Etymology: The specific epithet refers to the type locality, Nanchuan District, Chongqing, China. The Chinese name is given as “南川万寿竹”.

Distribution and habitat: Disporum nanchuanense is presently known only from the type locality in Jinfo Mountain National Nature Reserve, Nanchuan District, Chongqing. It grows under conifer-broadleaved forest at 1386–1411 m, together with Arisaema bockii Engl. (Araceae), Cardamine hygrophila T.Y.Cheo & R.C.Fang (Brassicaceae), Cephalotaxus fortunei Hook. (Cephalotaxaceae), Liriodendron chinense (Hemsl.) Sargent. (Magnoliaceae), Pinus massoniana Lamb. (Pinaceae), Rhododendron coeloneurum Diels (Ericaceae), Sanicula orthacantha S.Moore (Apiaceae) etc.

Figure 4. A-C: Disporum nanchuanense X.X.Zhu & S.R.Yi. A Plant B Inflorescence C Flower dissection
D-F: D. longistylum (Lévl. & Vant.) Hara D Plant E Inflorescence F Flower dissection
G-I: D. megalanthum Wang & Tang G Plant H Inflorescence I Flower dissection. A-H: Photographed by Xinxin Zhu; I: Photographed by Renbin Zhu.

 Xinxin Zhu, Shuai Liao and Sirong Yi. 2019. Disporum nanchuanense (Colchicaceae), A New Species from Chongqing, China. In: Jie Cai, Wen-Bin Yu, Ting Zhang, De-Zhu Li (Eds) Revealing of the Plant Diversity in China’s Biodiversity Hotspots. PhytoKeys. 130: 49-57. DOI: 10.3897/phytokeys.130.34005

[Botany • 2018] Disporum mishmiensis (Colchicaceae) • A New Species from North East India

Disporum mishmiensis 

in Hareesh, Floden & Sabu, 2018.

   DOI: 10.3767/blumea.2018.63.02.05  

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Abstract

Disporum mishmiensis, sp. nov. is described from Arunachal Pradesh, north-eastern India. A detailed description and colour photographs of D. leucanthum are provided to aid identification. A distribution map, notes on ecology and a key to Indian species are provided.

Keywords: Arunachal Pradesh; Disporum; India; Mishmi Hills

Disporum mishmiensis Hareesh & M.Sabu, sp. nov. 

 Disporum mishmiensis is similar to D. leucanthum but differs from it in having a campanulate perigone with pink tepals that are 2.7–3 cm (vs 1.2–2 cm), filaments 14–16 mm long (vs 8–15 mm), a style 16–18 mm long (vs 6–12 mm), and a non-stoloniferous/rhizomatous growth habit. 

— Type: M.Sabu & V.S.Hareesh 149366 (holo CALI; iso CAL, CALI), India, Arunachal Pradesh, Lohit District, near Tohangam view point, on the way to Hayuliang from Tezu, ..., 16 May 2017. 

Etymology. The name mishmiensis denotes the type locality, Mishmi Hills which is a part of the eastern hills of Arunachal Pradesh adjacent to Myanmar

 Hareesh, V.S., Floden, A. and Sabu, M. 2018. Disporum mishmiensis (Colchicaceae), A New Species from North East India.   Blumea - Biodiversity, Evolution and Biogeography of Plants. DOI: 10.3767/blumea.2018.63.02.05 

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