Caespitose epiphyte, 6-13 cm tall; pseudobulbs lacking. Leaves solitary on very short secondary stems; blades oblanceolate, 5-11 cm long. Inflorescences shorter to somewhat longer than leaves; flowers to 12 mm long, pale yellow or white with the throat violet-purple, solitary on peduncles from base of leaves, the fragrance strong, sweet; sepals 1.5-2 mm long, connate into a tube for half their length, the free part of dorsal sepal thickened, ligulate, to 12 mm long and 3 mm broad, arcuates-preading, the lateral sepals similar to the dorsal sepal but slightly wider; petals and lip enclosed within calyx tube; petals 4-5 mm long with a single longitudinal callus from below middle to apex; lip +/- oblong, 4-6 mm long. Fruits not seen. Croat 9120.