Densely branched annual; stem glabrous to subglabrous. Leaf pinnately trifoliolate, petiole 6-9 mm long, silky when young; leaflets 4.5-6.5 mm long, oblanceolate-cuneate, toothed, subglabrous above, sparsely silky-pubescent below; stipules 6-6.5 mm long. Flowers in 2-4-flowered sessile axillary clusters. Calyx 3-3.5 mm long, pubescent, teeth longer than the tube. Corolla slightly longer than the calyx. Fruit c. 3.5-4.0 mm long slightly longer than the calyx, oblong-ellipsoid, sparsely pubescent, hairs spreading, white, 1-2-seeded.