Spreading perennial shrub, sometimes climbing over other plants, sometimes forming mounds to 1 m, sometimes decumbent in exposed areas. Leaves with 1 pair of leaflets; petiole subterete, 1.5–9.5 mm long; leaflets succulent, narrowly oblong to oblong or narrowly obovate to obovate, 4–18 mm long, 0.5–5.5 mm wide, articulated at base, rounded-obtuse with tiny acumen. Pedicel 2.5–7.5 mm long in flower. Sepals 4, 5–5.7 mm long. Petals 4, obovate, 7–9.5 mm long, longer than sepals, yellow drying white. Stamens 8; filaments 4–4.7 mm long, not winged, without appendages. Disc 4-lobed; lobes usually free, sometimes apparently joined, semicircular, succulent, papillose on margin. Ovary 4-angled, 4-celled, glabrous or papillose apically and within angles; stigma minute, not lobed. Capsule 4-angled, 4-celled, 5.5–12 mm long, 4–12 mm wide, truncate or obliquely truncate at apex; pedicel 4–13 mm long; fruiting style 3–5.5 mm long. Seeds 1 or 2 per cell, 3 mm long, finely verrucose.
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