Spreading annual herb, to 25 cm high and 35 cm wide. Leaves with 1 pair of leaflets; petiole flattened, 2–18 mm long; leaflets succulent, not appressed to each other, obovate, 1.8–11 mm long, 0.8–5.5 mm wide, continuous with petiole and not articulated at base, emarginate at apex. Pedicel 2–2.5 mm long in flower, erect. Sepals 4, 1.8–2 mm long. Petals 4, obovate, 2.2–2.4 mm long, longer than sepals, yellow drying white. Stamens 8; filaments 1 mm long, winged below; wing entire. Disc 4-lobed; lobes free, oblong. Ovary 4-angled, 4-celled, glabrous; style 0.2–0.3 mm long; stigma 4-lobed. Capsule pendent, 4-angled, 4-celled, transversely broadly elliptic or subcircular, 2.5–3.5 mm long, emarginate at apex but with small membranous appendage on each of outer corners; pedicel 2.5–3.5 mm long; fruiting style 0.3–0.4 mm long. Seeds 1 per cell, 2–2.2 mm long, smooth, red-brown, shining.
From chenopod shrubland, road verges and creek beds usually from sand but alsofrom clay, including brown cracking clay dominated by Astrebla pectinata inQld. Its distribution is probably related to the waters that drain the“channel country” and to flooding events.