Climbing annual herb; stems to 50 cm long, ribbed, sparsely hairy. Leaves 4.5–7 cm long excluding the usually pinnate tendril; leaflets 10–20, linear to elliptic, 8–15 mm long, 1–5 mm wide, sparsely pubescent on both surfaces; stipules linear, 2–4 mm long, entire, one divergent lobe at base. Flowers 3–8, pedunculate; peduncle to c. 4 cm long; pedicel c. 1 mm long; calyx campanulate, 2–4 mm long, pubescent, base slightly gibbous, teeth linear-subulate, unequal, upper 2 lobes shorter than calyx tube, lower 3 lobes longer than calyx tube; corolla 4–5 mm long, mauve or pink; standard broadly ovate, hardly longer than wings, limb shorter than claw; keel shortest, blue-tipped. Pod oblong, 12–20 mm long, 5–8 mm wide, compressed, brown, glabrous; seeds usually 2, subglobose, c. 2 mm long, compressed, blackish. Flowers mainly Sep.–Jan.
VVP, GipP, CVU, HSF. Also naturalised NSW, ACT. Native to south-western Europe. Recorded only from a few localities immediately to the east of Melbourne such as Bayswater, Belgrave, Tecoma and the Dandenong Ranges.
