Abstract

GOGOI, Khyanjeet. Thrixspermum patkaiensis sp. nov. (Vandeae: Aeridinae) from Assam, northeast India. Lankesteriana [online]. 2022, vol.22, n.1, pp.9-16. ISSN 1409-3871.  http://dx.doi.org/10.15517/lank.v22i1.50589.

A new species of orchid, Thrixspermum patkaiensis from the tropical evergreen forest in Dehing Patkai National Park, Assam, India, is described. It is morphologically similar to T. musciflorum, T. formosanum, and T. pygmaeum but distinct from these species by the inflorescence 12-18 cm long; the lip with purplish bands and glandular-hairy on both sides of the lateral lobes and the epichile forming a rim of glandular hairs.

Keywords : Dehing Patkai; Flora of India; plant taxonomy; Thrixspermum formosanum; Thrixspermum musciflorum; Thrixspermum pygmaeum; Thrixspermum section Dendrocolla..

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