Scandent epiphytic vine; stems thick, often branched, 10-15 mm long. Leaves oblong-elliptic to oblong-oblanceolate, usually acuminate, 8-20 (26) cm long, 2-4.5 (8) cm wide, fleshy. Racemes axillary (rarely terminal), 5-7 cm long, bracteate at nodes; bracts oblong, usually obtuse, to 1 cm long, persistent at nodes. pedicels 2-4 cm long; flowers white; sepals linear to oblanceolate, 4-7 cm long, 1-1.5 cm wide; petals similar to sepals but smaller; lip obscurely trilobate, curved around sides of column, 4-5 cm long, 1.5-3 cm wide, with a tuft of trichomes at base and streaked with longitudinal, verrucose lines, the middle lobe +/- recurved at apex; column ca 3 cm long, pubescent on outer surface. Capsules terete, linear, very aromatic, to 25 cm long, 8-15 mm diam, pendent. Croat 4528.