Calanthe obcordata (Lindl.) Chase, Christenh. & Schuit.

in Phytotaxa 472(2) : 164 (2020).

Synonymes

Cephalantheropsis obcordata (Lindl.) Ormerod in Orch. Dig. 157 (1998).

Alismorchis gracilis (Lindl.) Kuntze in Rev. Gen.: 650 (1891).

Alismorchis tubifera (Hook.f.) Kuntze in Rev. Gen. 2: 650 (1891).

Bletia obcordata Lindl. in Gen. Et Sp. Orch. 123 (1831). (basionyme)

Calanthe bursicula Gagnep. in Bull. Mus. Nat. Hist. Paris. 2. S. 22. 4: 509 (1950).

Calanthe gracilis Lindl. in Wall. Cat.: 7341 (1832).

Calanthe ramosii Ames in Phil. J. Sci. Bot. 7: 12 (1912).

Calanthe tubifera Hook.f. in Fl. Brit. Ind. 5: 855 (1890).

Calanthe venusta Schltr. in Fedde Rep. Beih. 4: 69 (1919).

Cephalantheropsis gracilis (Lindl.) Hu in Quart. Journ. Taiwan Mus. 25. 213 (1972).

Cephalantheropsis venusta (Schltr.) Hu in Quart. J. Taiwan Mus. 25(3/4): 213 (1972).

Gastrorchis gracilis (Lindl.) Aver. in Prelim. List Vietnam. Orchids: 203 : (1988).

Limatodis gracilis (Lindl.) Lindl. in Fol. Orch.: 1 (1855).

Paracalanthe gracilis (Lindl.) Kudo in J. Soc. Trop. Agric. 2: 237 (1930).

Paracalanthe venusta (Schltr.) Kudo in J. Soc. Trop. Agric. 2: 236 (1930).

Phaius gracilis (Lindl.) S.S.Ying in Col. Illust. Indig. Orch. Taiwan. 1. 2. 278 (1977).

Phaius ramosii (Ames) Ames in Orch. 5. 96 (1915).

Répartition

Bangladesh, Birmanie, Chine, Hong Kong, Inde, Japon, Laos, Philippines, Ryukyu, Sikkim, Taiwan, Thaïlande, Tibet, Vietnam.

Inde : Assam.

Philippines : Zamboanga del Norte, Zamboanga del Sur.

Taiwan : Hsin-chu, Hua-lien, I-lan, Nan-t'ou, New T'ai-pei, P'ing-tung, T'ai-chung, T'ai-pei, T'ai-tung, T'ao-yuan.

Floraison : ________SOND. Altitude de 400 à 2000 m.

Description sommaire

Plante terrestre. Taille de 60 à 100 cm. Feuilles de 3 à 6, de 0-300 × 0-60 mm, elliptiques, lancéolées. Bractées lancéolées, linéaires. Fleurs de 20 à 30. Sépale dorsal elliptique, oblong, de 9-11 × 3-4 mm. Sépales latéraux elliptiques, oblongs, de 9-11 × 3-4 mm. Pétales elliptiques, ovales, de 8-10 × 3-4 mm. Labelle trilobé, de 9-12 × 5-7 mm. Chromosomes : 2n=40,42.

Bibliographie

Helen L. Valmayor. Orchidiana Philippiniana. Tome 1. Eugenio Lopez Foundation. 1984. Page 267 (sous le nom Phaius mindorensis).

Helen L. Valmayor. Orchidiana Philippiniana. Tome 1. Eugenio Lopez Foundation. 1984. Page 129. Aquarelle.

Samuel Sprunger. Orchideentafeln aus Curtis's Botanical Magazine. Eugen Ulmer. 1986. Page 4714. Aquarelle.

Chow Cheng. Formosan orchids. Tome 1. 1979. Page 97. Photo.

Mark L. Isaac-Williams. An introduction to the orchids of Asia. Angus & Robertson. North Ryde. NSW. Australie. 1988. Page 57. Photo.

Shiu Ying Hu. The genera of orchidaceae in Hong-Kong. The Chinese University Press. 1977. Page 56. Dessin.

Udai C. Pradhan. Indian orchids : Guide II. Udai C. Pradhan. 1979. Page 625. Dessin.

King & Pantling. The orchids of the Sikkim - Himalaya. Royal Botanic Garden, Calcutta. 1898. Page 165. Dessin.

Helen L. Valmayor. Orchidiana Philippiniana. Tome 1. Eugenio Lopez Foundation. 1984. Page 267.

Seidenfaden. Orchid genera in Thailand XIII. Opera Botanica. 1986. Page 38. Photo.

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E.M.G. Agoo, A. Shuiteman, E.F. De Vogel. Flora Malesiana. Orchids of the Philippines Vol. I. ETI/National Herbarium of the Netherlands. 2003.

Cheam May Choo, Antony Van Der Ent, Embi Abdullah, Balu Perumal. Wild orchids of Cameron Highlands. Regional Environmental Awareness Cameron Highlands. 2009. Page 38 (sous le nom Cephalantheropsis gracilis). Photo.

Wu Zhengyi & Peter H. Raven & Hong Deyuan. Flora of China. Orchidaceae. Science Press (Beijing). 2009. Page 289.

Zhihui Xu & Hong Jiang & Deping Ye & Ende Liu. The wild orchids in Yunnan. Yunnan Publishing Group Corporation. 2010. Page 216. Photo.

Jim Cootes. Philippine native orchid species. Katha Publishing. 2011. Page 72. Photo.

Wei-Min Lin & Yi-Fu Wang. The wild orchids of Taiwan. KBCC Press. 2014. Page 236 (sous le nom Cephalantheropsis gracilis). Photo.

Gloria Barretto & Phillip Cribb & Stephan Gale. The wild orchids of Hongkong. Natural History Publications (Borneo). 2011. Page 417. Photo.

Hubert Kurzweil & Saw Lwin. A guide to orchids of Myanmar. Natural History Publications (Borneo). 2014. Page 76. Photo.

H.A. Pedersen, H. Kurzweil, S. Suddee, E.F. De Vogel & P.J. Cribb. Flora of Thailand. Volume 12. Part 2. Orchidaceae 2. The forest herbarium, Bangkok. 2014. Page 379. Dessin.

Malesian orchid journal. Tome 11. Natural History Publications (Borneo). Page 32. Photo.

Khyanjeet Gogoi. Orchids of Assam, a pictorial guide. Publication Division, Dibrugarh University. 2019. Page 144 (sous le nom Cephalantheropsis obcordata). Photo.

The wild orchids in Tibet. Tongji University Press. 2023. Page 251 (sous le nom Cephalantheropsis obcordata). Photo.