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Perennial, non-climbing herb; many stemmed; suberect or prostrate, dwarf, variably strigose-pubescent or canescent. Leaves 38-65 mm long. Leaflets distantly 8-12-jugate, 6-7 x 1-2 mm, oblong, obtuse or retuse, with involute margins; upper surface glabrous; lower surface strigillose. Stipules 2-3 mm long, subulate or ovate-lanceolate. Inflorescence 2-flowered; peduncles 12-25 mm long. Pedicels 1-2 mm long. Flowers up to 7 mm (rarely subumbellately 4-6-flowered). Calyx 2-3 mm long. Flowering time all year. Pod 36-40 x 7-10 mm, linear, obtuse, mucronate, straight or somewhat falcate, 3-4x as long as wide, thinly strigose, 10-12-seeded.
Leaves up to c. 7 cm long; leaflets (1)3–5 on each side of the rhachis, opposite or rarely subopposite, 3–25 × 1–4 mm, elliptic-oblong, obtuse to retuse and apiculate at the apex, obtuse or rounded at the base, with white hairs on the lower surface, glabrous above; terminal leaflet much longer than the others; petiole 5–15 mm long, with appressed small white hairs; rhachis 15–40 mm long, prolonged 1.5–7 mm beyond the ultimate pair of leaflets, sulcate on the upper side; petiolules short; stipules up to 5 mm long, obliquely subulate.
Corolla c. 7 mm long, purplish or reddish to pink, becoming very pale with age, caducous; standard c. 7 × 6 mm, elliptic, emarginate, tapering at the base into a short claw; wings 5 mm long including the 1.5 mm long claw, the blade 1 mm wide, falcate-oblong, auriculate at the base; keel petals c. 6.5 mm long including the 2 mm long linear claws, the blades c. 2 mm wide, obovate, rounded at the apex, auriculate at the base.
Pod 30–43 × 5–8 mm, oblong-linear, straight or slightly falcate, cuneate at the base, rounded at the apex and terminated by the persistent style, membranaceous, glabrous or sparsely setulose.
Racemes 1–2-flowered; peduncle 7–22 mm long; bracts 1 mm long, ovate, persistent; pedicels 1.5 mm long, thinly puberulous, with 2 minute bracteoles at the apex.
Filament sheath up to 4 mm long; free parts of the filaments c. 1 mm long; free stamen 4 mm long; anthers minute.
Ovary c. 4 mm long, oblong, many-ovulate, setulose along the upper suture; style 2 mm long, glabrous.
Calyx c. 3 mm long, campanulate, divided to just above the middle into 5 subequal teeth, puberulous.
Stems much branched from the base, ascending to erect, ± strigose canescent, becoming glabrescent.
Suberect or prostrate perennial herb or subshrub 5–35 cm high, from a woody taproot.
Seeds 7–12, 2.5 × 2 mm, oblong-reniform, dark brown.
