Trigonidium lankesteri Ames 1923 Photo by © Franco Pupulin and The Epidendra Website
Common Name Lankester's Trigonidium [American Botanist in Costa Rica 1900's]
Flower Size 2" [5 cm]
Found in Costa Rica, Panama and Ecuador in mossy forests at elevations of 800 to 1000 meters as a medium sized, warm to cool growing epiphyte from wet montane forests with repent or scandent. elongate, cylindric rhizome with internodes 6 to 16" [15 to 40 cm] long, giving rise to distant, ovoid, compressed, ridged, sulcate, tapering pseudobulbs carrying 3 to 5, subcoriaceous, obl;ong-lanceolate, acute, contracted below into the slender, conduplicate, petiolate base leaves that blooms in the winter and spring on an erect, basal, usually solitary, 3.2 to 6.4" [8 to 16 cm] long, single flowered inflorescence.
Easily recognized and separable from the lowland variety T eggertonianum by the elongate rhizome, the 3 to 5 leaved pseudobulbs, the larger flowers and the apiculate petals
Synonyms Trigonidium amparoanum Schltr. 1923
References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Panama L.O. Williams & P Allen 1946; Die Orchideen lieferung 29 Schlechter/Brieger 1994 photo good;