Bushy perennial herb or shrub, up to 1–4 m. tall.. Stem densely covered with short tawny mostly slightly spreading and somewhat crisped hairs.. Leaves 3-foliolate; leaflets narrowly to broadly elliptic, up to 50–80 mm. long, 26–52 mm. wide, glabrous above, appressed pubescent beneath; petiole up to 45–80 mm. long.. Stipules filiform to subulate-caudate, up to 6–14 mm. long.. Racemes up to 13–30 cm. long, with numerous fairly closely arranged flowers; bracts attenuate-subulate or lanceolate-caudate, up to 8–13 mm. long; bracteoles inserted at the top of the pedicel or base of the calyx, linear, up to 6–9 mm. long.. Calyx (12–) 14–17 mm. long, densely pubescent or tomentellous with fine appressed brown hairs outside, puberulous on the lobes inside; upper lobes oblong, obliquely subtruncate with an excentric tip, longer than the tube.. Standard oblate, yellow, often with a few hairs on the midvein outside; wings oblong-obovate, longer than the keel; keel rounded about the middle, with a short incurved untwisted beak, 12–15 mm. long, densely white lanate along the upper margin proximal to the beak, sometimes with a few hairs scattered on the lateral surfaces below.. Pod shortly stipitate, broadly oblong-clavate, up to 60–65 mm. long, 17–19 mm. across, densely brown spreading pubescent, ultimately glabrescent, ± 20–26-seeded.. Seeds oblique-cordiform, ± 4 mm. long, smooth, blackish-brown.
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