Caespitose or repent epiphyte, to 50 cm tall; pseudobulbs lacking; stems straight to flexuous, covered with leaf sheaths. Leaves usually ± oblong, blunt at apex and often emarginate, mostly 4-10 (12) cm long and 0.7-3.5 cm wide. Inflorescences short, terminal, subumbellate racemes; flowers green or yellowish (especially in age), long-pedicellate, few to several; sepals 12-35 mm long; petals 7-30 mm long; both petals and sepals narrow; lip waxy, reniform, broader than long, 12-30 mm broad, the claw adnate to the column. Fruits ellipsoid, ca 3.5 cm long and 2 cm diam. Croat 10106.
Occasional, sometimes locally abundant; a variable species usually high in trees. Flowering to some extent all year, mostly in the early rainy season, from April to August, but especially in July and August. Mature dehiscing fruits are seen mostly in the dry season.
Pollinated by the moth Amastus acona in Ecuador (Dodson & Frymire,1961).
Throughout the New World tropics. In Panama, known from tropical moist forest in the Canal Zone, Veraguas (Coiba Island), Darién, and Panama, from premontane wet forest in Chiriqui and Coclé, and from lower montane wet forest in Chiriqui.