Upright, spreading, subglabrous shrub, 40–100 cm high, 50–200 cm wide; stems usually lacking corky bark except at base. Leaves in unequal pairs, with (4–) 5–7 pairs of leaflets; petiole 3–13 mm long; leaflets shortly petiolate, obliquely elliptic, 4–23 mm long, 2.2–8.3 mm wide, very shortly acuminate, glabrous. Flowering pedicel 3.5–6.5 mm long, upright. Sepals 6–8.5 mm long, glabrous or sparsely sericeous abaxially, densely villous adaxially. Petals elliptic to narrowly elliptic, 10–11 mm long, glabrous. Stamens 10, all fertile or some or all shorter and staminodal; longer filaments 5.5–6 mm long; shorter filaments c. 3 mm long. Ovary moderately densely white-sericeous; ovules 1 per cell; style and stigma 4.5–6 mm long; style glabrous. Fruit a globose 5-winged schizocarp, 12–18 mm long, 15–21 mm wide, easily dissociating into 5 cocci; fruiting pedicel 6–8.5 mm long. Cocci 2-winged, woody, glabrous or sparsely pubescent between wings dorsally, less so on wings, lacking any spines.
Occurs in rocky areas, includingcreek banks and beds, often in sand. Some records indicate its presence afterfire.
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