Vine. Leaflets shining above. Flowers with sepals and petals c. 3.5 cm long; sepals c. 1.5 cm wide; green and keeled on reverse, white inside, firm. Petals c. 1 cm wide white entirely, membranous. Corona filaments to c. 3 cm long; proximal half dark purple; distal half white. Stamens and styles ± horizontal; stigmas facing downwards. Possibly a single plant. Adventive.