Porpax elwesii (Rchb.f.) Rolfe

in Orch. Rev. 16: 8 (1908).

Synonymes

Eria elwesii Rchb.f. in Gard. Chron. 1: 402 (1883). (basionyme)

Eria nummularia Kraenzl. in Bot. Tidsskr. 24: 9 (1900).

Eria semiconnata Kraenzl. in Bot. Tidsskr. 24: 8 (1900).

Porpax elwesii (Rchb.f.) Kraenzl. in Engl. Pflanzenreich, Orch.-Dendrob. Pars 2, 163 (1911).

Porpax nummularia (Kraenzl.) Smitinand in Nat. Hist. Bull. Siam. Soc. 19: 12 (1958).

Porpax semiconnata (Kraenzl.) Smitinand in Nat. Hist. Bull. Siam. Soc. 19: 12 (1958).

Répartition

Andaman et Nicobar, Bhoutan, Birmanie, Inde, Laos, Malaisie, Sikkim, Thaïlande, Vietnam.

Inde : Arunachal Pradesh, Assam, West Bengal.

Laos : Borikhan, Champasak, Khammouan, Viangchan, Viangchan City.

Floraison : ______JASO__. Altitude de 500 à 830 m.

Description sommaire

Plante épiphyte, lithophyte. Taille de 2 à 3 cm. 2 feuilles, de 20-25 × 5-7 mm, elliptiques, oblongues. Bractées lancéolées, ovales. Fleur unique, à périanthe en tube, violette. Sépales latéraux soudés à la base. Pétales elliptiques, ovales, à apex obtus, de 4-5 × 2-3 mm. Labelle trilobé, de 3-4 × 2-3 mm.

Bibliographie

Seidenfaden & J.J. Wood. The orchids of peninsular Malaysia and Singapore. Olsen & Olsen, Fredensborg. 1992. Page 308. Dessin.

Seidenfaden. Orchid genera in Thailand XIII. Opera Botanica. 1986. Page 122. Dessin.

King & Pantling. The orchids of the Sikkim - Himalaya. Royal Botanic Garden, Calcutta. 1898. Page 114. Dessin.

Udai C. Pradhan. Indian orchids : Guide II. Udai C. Pradhan. 1979. Page 370. Dessin.

Nantiya Vaddhanaphuti. Wild orchids of Thailand. Silkworm Books. 2001. Page 166. Photo.

N.R. Pearce & P.J. Cribb. The orchids of Bhutan. Royal Botanic Garden Edinburgh. 2002. Page 386. Dessin.

S.Z. Lucksom. The orchids of Sikkim and North East Himalaya. S.Z. Lucksom. 2007. Page 535. Photo, dessin.

Ron Parsons & Mary E. Gerritsen. A compendium of miniature orchids. Redfern. 2013. Page 816. Photo.

Nyan Tun Taunggyi. Wild orchids of Myanmar. Daw Tin Tin Aye (Green Leaf Publishing House). 2014. Page 393. Photo.

Mark Chase, Maarten Christenhusz & Tom Mirenda. The book of orchids. Royal Botanic Gardens Kew. 2017. Page 530. Photo.

Stephan Gale, Pankaj Kumar & Thatsaphone Phaxaysombath. A guide to orchids of Laos. Natural History Publications (Borneo). 2018. Page 163. Photo.

André Schuiteman, B. Ramamurthy Kailash & Uttam Babu Shrestha. A checklist of the Orchidaceae of India. Missouri Botanical Garden Press. 2022. Page 173.