Hemi-epiphytic climber to 4m with leaves to 210mm x 40mm. 12-14 flowered raceme to 60mm long with green bracts to 10mm x 6mm, showy fragrant cream flowers opening successively, pale green to yellowish sepals, pale yellow petal, lip deep yellow to 90mm long, dorsal sepal to 80mm x 17mm, lateral sepals to 80mm x 17mm, petals to 80mm x 60mm. Fragrant triangular fruit up to 150mm long.