An erect, rigid shrub 0.5-1 m tall, rather much branched; young branches tomentose. Short-shoots soon developed in axils of long-shoot leaves. Leaflets flat, oblanceolate (or obovate), 5-10 x 2-3 mm, stiff, somewhat keeled, veiny (distinct midvein and more vague laterals), glabrous or those on long-shoots ciliate on margins, apically pointed to mucronate. Inflorescence a dense head of 6-8(-10) flowers in the axils of ± wide bracts forming an 'involucre'. Bracts obovate, the largest up to 12 x 10 mm, subglabrous, partly pale but distally green, glabrous except for the puberulous base and ciliate margins, with numerous ± distinct veins, apically retuse to acute. Pedicel ±1 mm long. Bracteoles linear, up to ±9 x 2 mm, veiny, partly pubescent. Calyx tube pubescent; lowest lobe enlarged, oblanceolate ('boat-shaped'), 9-10 mm long, green, veiny, partly glabrous (but ciliate); other lobes ±7 mm long, linear-triangular, pubescent. Petals bright yellow. Standard ovate, x 11 x 9.5 mm, sericeous on most of back; the sides ± recurved. Wing blades oblong, ±7 x 2.2 mm, glabrous. Keel blades ±6.2 x 3 mm, glabrous. Pistil pubescent only on the short stipe and ovary base, otherwise glabrous; ovules usually 5. Pod obliquely and narrowly triangular-ovate, 8-9 x ±4 mm, glabrous or subglabrous.
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Erect, rigid, much-branched shrublet, 0.5-1.0 m. Leaves 3-foliolate, leaflets oblanceolate, flat, somewhat keeled, veiny, stiff, sometimes ciliate on margins. Flowers in terminal heads, bright yellow, wings and keel glabrous, calyx hairy, lobes linear to triangular, lowest lobe enlarged, veiny, partly glabrous.
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