Spreading annual to 15 cm high, wider than high. Leaves with 2 pairs of leaflets; petiole flattened, 2–22 mm long, attenuate or rounded; leaflets succulent, elliptic, 2–22 mm long, 1–6.5 mm wide, continuous with petiole and not articulated at base, rounded at apex. Pedicel 0.5–0.7 mm long in flower. Sepals 4, 3–4 mm long. Petals 4, obovate, 2.5–4 mm long, equal to or slightly longer than sepals, yellow drying white. Stamens 8; filaments 1.5 mm long, winged in lower half, without appendages. Disc 4-lobed; lobes free, oblong. Ovary 4-angled, 4-celled; stigma capitate, not lobed. Capsule erect, rectangular-oblong, 10–15.5 mm long, 4-angled, 4-celled, with a line of white circular glands along the often reddish longitudinal grooves of each of the 4 sides and apically with 4 erect, narrowly elliptic, 2–3.5 mm long appendages from a constricted base; pedicel 0.5–1 mm long; fruiting style 0.7–1 (–1.5) mm long. Seeds (1–) 2 or 3 per cell, 2.7–2.8 mm long, smooth, shining, rapidly taking up water.
Found in a variety of situations but often associated withchenopod shrublands, gilgais or gibber plains, sometimes with limestone.
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