Decumbent, compact, light green, perennial shrub, 7–22 cm high, 20–30 cm wide. Leaves with 1 pair of leaflets; petiole flattened, 2.5–13 mm long, similar width to leaflets; leaflets succulent, oblong, 2–11 mm long, 0.8–1.8 mm wide, continuous with petiole, obtuse-rounded at apex. Pedicel 3–4 mm long in flower, erect. Sepals 4, c. 3 mm long. Petals 4, obovate (lacking claw), 2.2–3.3 mm long, shorter than or just exceeding sepals, yellow drying white. Stamens 8; filaments 1.5–1.7 mm long, gradually dilated to base, without appendages. Disc 4-lobed; lobes free, oblong. Ovary 4-winged, 4-celled, glabrous, rarely papillose; style 0.1–0.2 mm long; stigma minute, 4-lobed. Fruit pendent, 4-winged, cordate, broadly elliptic with deeply emarginate apex, 9–10 mm long, breaking into 4 single-winged fruitlets, rounded at apex; wings with reticulate venation; pedicel 4.5–6 mm long; fruiting style 0.1–0.2 mm long. Seeds 1 or 2 per cell, elliptic, 4.7 mm long, pale brown, finely pitted.
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