Rhynchosia congensis Baker

Robust climber or trailer 1·8–6 m. long, the foliage sometimes unpleasantly aromatically scented when crushed.. Stems obscurely ribbed, finely silky pubescent.. Leaflets 3, usually somewhat paler beneath, the terminal one rounded to broadly ovate, 3·5–12·5 cm. long, 2·5–10·5 cm. wide, the laterals obliquely ovate, 3·8–10·5 cm. long, 2–7 cm. wide, all acute to acuminate, rounded to slightly subcordate at the base, pubescent to glabrescent above, glabrous to softly shortly pubescent and densely glandular beneath; petiole 1·7–11 cm. long; rhachis 1–3 cm. long; petiolules 2–4 mm. long; stipules deciduous, triangular-lanceolate, up to ± 1 cm. long.. Inflorescences axillary, sometimes branched; rhachis 10–36 cm. long; peduncle 0–4 cm. long; pedicels 2–6 mm. long; bracts deciduous, broadly ovate, 0·7–1·4 cm. long, 6–7 mm. wide, acute, adpressed creamy velvety pubescent.. Calyx-tube with indumentum like the bracts, ± 3–5 mm. long; lobes lanceolate or oblong-elliptic, 0·45–1·5(–2) cm. long, 1·2–4 mm. wide, obtuse or acute, the upper pair joined for two-thirds to three-quarters of their length to form an acutely bifid lip.. Corolla persistent, pale yellow marked with crimson, later brownish-orange when dry; standard very broadly ovate or almost round, 1·5–2 cm. long, 1·2–1·4 cm. wide, emarginate, glabrous.. Pods usually twisted, narrowly oblong, ± 2–2·5 cm. long, 5·5–7 mm. wide, shortly creamy velvety pubescent.. Seeds deep blue when fresh, later brownish, compressed-ellipsoidal or almost globose, longest dimension ± 5·5 mm., shorter dimensions 3·5–4·5 mm.

Coastal grassland and bushland on sand; rain-forest edges; forest gallery; clearings; wooded savannah; "muhulu" edges; along river bank, by thickets, rather rare; up to 1,000 metres.

Can be grown by seedlings. Seeds needs soaking.