Decumbent, compact, perennial shrub, 12–20 cm high, 20–30 cm wide, often with reddish foliage. Leaves with 1 pair of leaflets; petiole flattened, 4.5–15 mm long, similar width to leaflets; leaflets succulent, oblong, 4–17 mm long, 1–2.5 mm wide, continuous with petiole, obtuse-rounded at apex. Pedicel 3–4 mm long in flower, erect. Sepals 4, 2.3–2.8 mm long. Petals 4, obovate, 3–3.7 mm long, longer than sepals, yellow drying white. Stamens 8; filaments gradually dilated to base, without appendages. Disc 4-lobed; lobes free, semicircular, succulent, papillose on margin. Ovary 4-winged, 4-celled, glabrous, often moderately papillose; style 0.5–0.7 mm long; stigma minute, 4-lobed. Fruit pendent, 4-winged, cordate, broadly elliptic with deeply emarginate apex, 7–10 mm long, breaking into 4 single-winged fruitlets, rounded at apex; wings with reticulate venation; pedicel 4.5–6 mm long; fruiting style 0.5–0.7 mm long. Seed 1 per cell, elliptic, 3.4–3.6 mm long, pale brown, finely pitted.
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