Decumbent, spreading, annual herb, 10–20 cm high, wider than high, glabrous apart from papillae on young parts. Leaves with 1 pair of leaflets; petiole flattened, 4–12 mm long, similar width to leaflets; leaflets succulent, not appressed to each other, narrowly oblong, 3–14 mm long, 1–3 mm wide, continuous with petiole and not articulated at base, emarginate at apex. Pedicel 0.5 mm long in flower. Sepals 4, 1.8–2 mm long. Petals 4, obovate with acuminate apex, 1–1.8 mm long, shorter than sepals, yellow drying white. Stamens 8; filaments c. 1 mm long, slightly widened at base but not winged. Disc lobes 4, free, oblong, c. 0.5 mm high. Ovary 4-angled, 4-celled, papillose between angles; stigma capitate, 4-lobed. Capsule pendent, elliptic to subcircular, 4-angled, 4-celled, 5.5–6.5 mm long, rounded at apex; pedicel 2–3 mm long; fruiting style 0.1–0.2 mm long. Seeds 2 per cell, 2.7 mm long, dark brown, smooth, shining, with white ventral raphe, subsessile.
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