Peristylus trimenii (Hook.f.) Abeyw. 1959 Photo by Suranjan Fernando and An Anotated Checklist of the Orchids of Sri Lanka

Drawing Drawing by M.D.Dassanayake & F.R.Fosberg and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Common Name Trimen's Peristylus [English Original Collector of species 1800's]

Flower Size .52" [1.3 cm]

Found in Sri Lanka along banks of streams at elevations around 900 to 950 meters as a medium sized terrestrial with an oblong tuber giving rise to an erect, leafy at the top stem gradually smaller below, oval, acute, 5 veined, basally clasping leaves becoming sheaths at the base that blooms on an erect, terminal, peduncle, 3 to 6" [7.5 to 15 cm] long, with scattered lanceolate bracts, rachis 2 to 6.8" [5 to 17 cm] long, densely many flowered inflorescence with lanceolate-ovate, single veined floral bracts.

Synonyms *Habenaria trimenii Hook.f. 1898

References W3 Tropicos, Kew Monocot list , IPNI ;