Stoloniferous perennial; stems ± glabrous to sparsely or moderately pilose, hollow, erect or ascending, woody at base. Lvs sessile, ± glabrous to sparsely or moderately pilose particularly below and on petioles and leaflet margins; leaflets obovate, obtuse to acute, cuneate at base, (5)-8-22-(30) mm long, with conspicuous lateral veins. Peduncles much > lvs, up to 120-(160) mm long. Infl. (4)-5-12-(15)-flowered. Calyx ± glabrous to moderately pilose; calyx teeth ± equal, narrowly triangular to subulate, ± = or < tube. Corolla yellow, 10-13 mm long; keel arched with a weakly incurved beak. Pod straight, rounded, not winged, 15-35 × 1.5-2.5 mm; seeds c. 1 mm diam.
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