Lip to 8 × 4.5 cm, funnel-shaped, the edges adnate to the column for 2 cm at the base; disk with 2 rows of laciniate crests up to 4 mm high, and a small crest up to 15 mm long composed of 2 rows of digitate lamellae arising between the main crests at the base.
Stem c. 10 mm in diameter, terete but with 2 shallow channels on each side; internodes up to 15 cm long; nodes with brown vestigial leaves up to 3 cm long.
Dorsal sepal up to 8 × 2.5 cm, lanceolate-oblong, apiculate; lateral sepals similar but slightly narrower.
Flowers white flushed with pink, strongly and sweetly scented; lip salmon-pink or yellow in the throat.
Climbing and scrambling herb with a stem of indefinite length, lacking green leaves.
Inflorescences terminal or axillary, unbranched, up to 30 cm long, many-flowered.
Ovary and pedicel short and erect at anthesis, becoming pendulous in fruit.
Petals up to 8 × 3.8 cm, elliptic-oblong or ovate, apiculate.
Capsule to 17.5 cm long, 7.5 mm wide.
Roots short, arising at the nodes.
Column up to 2.5 cm long.