Much-branched rather straggling erect perennial, up to 1·3 m. tall.. Branches densely white appressed tomentellous; bark becoming slightly fissured and peeling.. Leaves 3(–4)-foliolate; leaflets narrowly to broadly elliptic or obovate, up to 38–65 mm. long, 27–45 mm. wide, glabrous above, appressed pubescent beneath; petiole ± 30–70 mm. long.. Stipules filiform. 1–4 mm. long, rather persistent or deciduous.. Racemes up to 9–40 cm, long, with a number of fairly closely arranged flowers; bracts linear or subulate, 1–4 mm. long, somewhat persistent or caducous; bracteoles inserted at the base of the calyx, filiform or subulate, up to 1·5–3·5 mm. long.. Calyx 5–7(–8) mm. long, appressed pubescent; lobes deltoid or triangular, usually a little shorter than the tube.. Standard suborbicular, yellow, turning orange or brown with reddish or purplish veins, glabrous or with a few hairs medially outside; wings usually a little shorter than the keel; keel rounded below the middle, with a well-developed straight or slightly incurved untwisted beak, (15–) 17–23 mm. long.. Pod oblong-clavate, gradually tapered into a 5–7 mm. long stipe, 35–50 mm. long, 10–12 mm. across, appressed pubescent outside, glabrous inside, ± 20–26-seeded.. Mature seeds unknown.
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