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.