Dipogon lignosus

Vigorous twiner; stems to 3 m long, slightly compressed. Leaves with petioles to 6 cm long; leaflets ovate to rhombic, 3–9 cm long, 1–7 cm wide, more or less glabrous, lower surface paler than upper; petiolules 1–20 mm long; stipules oblong-lanceolate, to 6 mm long, leafy, white-pubescent, persistent; stipellae linear or filiform, 2–3 mm long. Inflorescence many-flowered, to 25 cm long; bract lanceolate, 1–2 mm long; bracteoles subovate, to 1.5 mm long, inserted just below calyx; pedicel 3–7 mm long, lengthening to 15 mm or more and thickening in fruit. Calyx campanulate, 3–4 mm long, calyx teeth sub-equal, upper 2 and lower 3 slightly united into 2 lips, margins ciliate; corolla 10–15 mm long, pink-purple, rarely white; standard broadly ovate, c. 12 mm across, recurved or conduplicate, with 2 basal calli; wings obovate, auriculate; keel semicircular, incurved, sickle-shaped, beak purple. Pod terete to falcate, 25–50 mm long, 5–10 mm wide, more or less glabrous; seeds ovate, to c. 4.5 mm long, black, hilum white, aril inconspicuous. Flowers mainly Sep.–Jan.