Description
Key Characters:
Growth Form:
Climbing or trailing lianas.
Stems:
Roots:
Leaves:
Leaves compound.
Alternate.
Leaflets elliptic, 10–15 cm long, 7–9 cm wide.
Upper surfaces glossy; lower surfaces dull, appressed pubescent.
Leaflet margins entire.
Lateral veins conspicuous, equidistant.
Petiolate.
Stipules weakly peltate, subpersistent.
Flowers:
Flowers subsessile, ca. 20 mm long, in pseudoracemes 20–50 cm long, upper ½ with upcurved, short, thick flowering stems ca. 5 mm long.
Flowers papilionaceous.
Calyx subpersistent, Calyx 5-lobed, the upper 2 teeth partly connate.
Corolla purple, keel shorter than wings, reflexed, auriculate at base, keel petals incurved.
Stamens 5 fertile anthers alternating with 5 reduced ones. Stamens 10, 9 of them connate into a tube, the upper stamen distinct at base, connate to the tube at middle; anthers medifixed.
Ovary superior; style incurved, thickened, glabrous apically; stigma capitate, terminal.
Fruit:
Pods 7–13 cm long; 5–7 cm wide; with 2 ridges along the upper suture; densely tomentose in younger stages; glabrous when ripe.
Seeds 2–3; dark brown; lenticular; 18–20 mm in diameter; with an oblong hilum over ½; the circumference of the seed.
Ploidy:
Habitat:
Dry to mesic coastal areas.
Elevation Range:
5–45 m.