Compact decumbent, rarely sprawling, annual herb to 30 cm high, wider than high. Leaves with 1 pair of leaflets; petiole flattened, 5–12 mm long; leaflets succulent, narrowly elliptic to narrowly obovate, 5–20 mm long, 1.5–4.0 mm wide, continuous with petiole and not articulated at base, rounded-obtuse at apex. Pedicel 0.5–2 mm long in flower. Sepals 4, 1.8–2 mm long. Petals 4, obovate, 0.7–1.7 mm long, shorter than or equal to sepals, yellow drying white, or ?white. Stamens 8; filaments 1.5 mm long, narrowly winged in lower half, without appendages. Disc 4-lobed; lobes free, oblong. Ovary 4-angled, 4-celled, glabrous except for papillae on angles; stigma 4-lobed. Capsule 4.3–7.5 mm long, 4-angled, 4-celled, obliquely truncate at apex; pedicel 2–5 mm long; fruiting style 0.3–0.5 mm long. Seeds 1 or 2 (–3) per cell, 2.2–3.1 mm long, verrucose.
Occurs inboth sands and clays, in dunes and watercourses and at the edges offloodplains, usually in open areas without a lot of competition.
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