Monographs Details: Cochleanthes guianensis Lafontaine, G.Gerlach & Senghas
Authority: Mori, S. A., et al. 1997. Guide to the vascular plants of central French Guiana: Part 1. Pteridophytes, gymnosperms, and monocotyledons. Mem. New York Bot. Gard. 76: 1-422.
Description:Species Description - Epiphytes with prominent white roots. Leaves several, broadly oblanceolate, acute, distichous, to 20 X 5 cm. Inflorescences multiple scapes from lower leaf axils, pendent. Flowers large, showy, white with broadly purple-margined and purple-striped lip, fragrant; sepals and petals subequal, oblong-lanceolate, subacute, 33-38 X 16-18 mm, the dorsal sepal and petals projecting forward, the dorsal sepal with reflexed apex, the lateral sepals concave, strongly reflexed at base forming false nectaries; lip elliptic-fiabelliform, emarginate, undulate at margin, basally tubular and enclosing column, attached to short claw, 4.5 X 4 cm; the callus basal, fleshy, transverse; column stout, very fleshy, dilated, swollen and persistent in fruit.

Distribution and Ecology - Fl (Aug). Specimens of this species from the Guianas have been misidentified as C. amazonica (Reichenbach f.) Schultes & Garay and C. flabelliformis (Swartz) Schultes & Garay.