Plant: Annual, sparsely puberulent; stem decumbent to erect Leaves: 1-pinnate, cauline; stipules ovate; petioles of middle leaves generally < leaflets; leaflets 0.6-1.2 cm, obovate INFLORESCENCE: head-to ± spike-like, < 1 cm wide, 5-10(20)-flowered; flowers quickly reflexed Flowers: calyx 1.5-2 mm; corolla 3.5-4 mm, bright yellow, becoming brown, weakly striate; 9 filaments fused, 1 free Fruit: legume, indehiscent, but often breaking, short, plump; style persistent, < 1 mm; Seed 1legume, indehiscent, but often breaking, short, plump; style persistent, < 1 mm; Seed 1 Misc: Agricultural and disturbed areas, lawns; < 500 m.