Decumbent or scrambling, sometimes on other shrubs, perennial herb, to 50 cm high, wider than high. Leaves with 1 pair of leaflets; petiole subterete, flattened in older leaves, 0.5–10 mm long; leaflets succulent, linear, 1.5–30 mm long, 0.5–1.5 mm wide, continuous with petiole, acute. Pedicel 2.5–5 mm long in flower, erect. Sepals 4, 3–4 mm long. Petals 4, obovate to spathulate, 3–4.2 (–5.5) mm long, slightly longer than sepals, yellow drying white. Stamens 8; filaments 2–2.5 (–3.5) mm long, not winged, without appendages. Disc 4-lobed; lobes free, semicircular, succulent, papillose on margin. Ovary 4-winged, 4-celled, glabrous; style 0.8–1.3 mm long; stigma minutely capitate, not lobed. Fruit pendent, 4-winged, 4-celled, subcircular to transversely broadly elliptic, 7–8.8 mm long, rounded and shallowly emarginate at apex, not dissociating (1 seed per fruit); wings with very close reticulate venation appearing parallel; pedicel 6–7.5 mm long; fruiting style (0.6–) 0.8–1.3 mm long. Seeds (3.5–) 5–5.7 mm long, brown.
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