Racemes axillary, solitary, always produced when the plant is leafless, often aggregated on short shoots or occupying terminal parts of shoots, 2·5 cm. long (not including the 10-30 mm. long peduncle), glabrous, dense-flowered.
Pods c. 25-28 x 3-3·4 cm., flat, subcoriaceous, falcately curved, with a stipe c. 1·5-2 cm. long.
Slender woody climber to 3 m. high, unarmed; young branchlets glabrous.
Flowers dark-purple, sessile or almost so (pedicel to 0·5 mm. long).
Stamen-filaments 6-8 mm. long.
Calyx c. 2·5 mm. long.
Seeds c. 10 x 6·5 mm.
Petals 3·5 mm. long.