Pendent or repent epiphyte, 10-50 cm long; pseudobulbs lacking; stems simple or branched, densely leaved, the old petiole bases persisting. Leaves oblong to lanceolate-oblong, obtuse to rounded and emarginate at apex, 2-6 cm long, 1-1.8 cm wide, thick. Inflorescences of 1-3 (usually 2) terminal flowers subtended by spathaceous bracts; flowers green to greenish-yellow, reportedly with a fetid odor; sepals oblong-lanceolate, 1-1.5 cm long, ca 3 mm wide; petals similar to sepals; lip about as long as sepals, clawed, lanceolate-ovate, acute, trilobate, the lateral lobes rounded and about half as long as the lanceolate middle lobe, the claw adnate to the column. Fruits +/- ellipsoid, remaining enveloped by spathaceous bracts. Shattuck 558. Not seen in recent years on the island. In Panama, flowers principally from the middle to late rainy season (September to November). The fruits are of mature size by the early dry season.