Low vine, scrambling amongst adventive scrub. Leaflets thin, pale beneath. A small patch 10-20 m diameter. Flowers mainly in 2's, resupinate. Corolla 5-5.5 x 5.5-6 cm (i.e. standard), deep blue with white towards base and in central band of all? petals. Standard suborbicular. Wings c. 5.5 x 4 cm. Keel c. 4 cm long, rolled. The whole fower is dorso-ventrally flattened. Not seen elsewhere.