Peristylus constrictus (Lindl.) Lindl.

in Gen. Sp. Orch. Pl. 300 (1835).

Synonymes

Habenaria constricta (Lindl.) Hook.f. in 6: 161 (1890).

Habenaria cylindrocalyx Gagnep. in Bull. Soc. Bot. Fr. 78: 68 (1931).

Herminium constrictum Lindl. in Bot. Reg. Sub. T. 1449 (1832). (basionyme)

Orchis leucantha Buchanan-Hamilton in Hook. F., Fl. Brit. Ind. 6. 161, In Syn (1890).

Platanthera constricta Lindl. in Wall. Cat. 7043 (1832).

Répartition

Bangladesh, Bhoutan, Birmanie, Chine, Cambodge, Inde, Laos, Népal, Sikkim, Thaïlande, Vietnam.

Chine : Yunnan.

Inde : Arunachal Pradesh, Assam, Bihar, Chandigarh, Himachal Pradesh, Jammu and Kashmir, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Nagaland, Uttar Pradesh.

Floraison : _____JJA____. Altitude de 300 à 2330 m.

Description sommaire

Plante terrestre. Taille de 50 à 110 cm. Feuilles de 3 à 6, de 70-150 × 25-65 mm, elliptiques, ovales. Inflorescence en épi. Sépale dorsal oblong, de 8-10 × 2-3 mm. Sépales latéraux oblongs, de 8-9 × 2-3 mm. Pétales oblongs, ovales, de 10-12 × 4-5 mm. Labelle oblong, trilobé. Chromosomes : 2n=42.

Photos

Bibliographie

Seidenfaden. Orchid genera in Thailand V. Dansk Botanisk Arkiv. 1977. Page 46. Dessin.

King & Pantling. The orchids of the Sikkim - Himalaya. Royal Botanic Garden, Calcutta. 1898. Page 325. Dessin.

Udai C. Pradhan. Indian orchids : Guide I. Udai C. Pradhan. 1976. Page 96. Dessin.

M.L. Banerji & Prabha Pradhan. The orchids of Nepal Himalaya. J. Cramer FL-9490 Vaduz. 1984. Page 94. Dessin.

N.R. Pearce & P.J. Cribb. The orchids of Bhutan. Royal Botanic Garden Edinburgh. 2002. Page 175.

S.Z. Lucksom. The orchids of Sikkim and North East Himalaya. S.Z. Lucksom. 2007. Page 198. Photo, dessin.

Wu Zhengyi & Peter H. Raven & Hong Deyuan. Flora of China. Orchidaceae. Science Press (Beijing). 2009. Page 141.

Zhihui Xu & Hong Jiang & Deping Ye & Ende Liu. The wild orchids in Yunnan. Yunnan Publishing Group Corporation. 2010. Page 102. Photo.

H.A. Pedersen, H. Kurzweil, S. Suddee & P.J. Cribb. Flora of Thailand. Volume 12. Part 1. Orchidaceae 1. The forest herbarium, Bangkok. 2011. Page 227. Photo.

Hubert Kurzweil & Saw Lwin. A guide to orchids of Myanmar. Natural History Publications (Borneo). 2014. Page 137. Photo.

Naresh Swami. Terrestrial orchids. Thomson Press India Ltd, Faridabad. 2016. Page 168. Photo.

Mark Chase, Maarten Christenhusz & Tom Mirenda. The book of orchids. Royal Botanic Gardens Kew. 2017. Page 181. Photo.

André Schuiteman, B. Ramamurthy Kailash & Uttam Babu Shrestha. A checklist of the Orchidaceae of India. Missouri Botanical Garden Press. 2022. Page 158.

Khyanjeet Gogoi. Orchids of Assam, a pictorial guide. Publication Division, Dibrugarh University. 2019. Page 425. Photo.

Ye Lwin Aung, Aye Thin Mu, Mung Htoi Aung & Xiaohua Jin. Field guide to the orchids of Myanmar. Changjiang publishing & Media. 2021. Page 153. Photo.