Upright, spreading, subglabrous shrub, 30–100 cm high, to 2 m wide; stems with corky bark. Leaves in unequal pairs, with (1–) 2–4 (–5) pairs of leaflets; petiole 2–5 mm long; leaflets shortly petiolulate, obliquely elliptic, sometimes narrowly so, 3–8 mm long, 2.2–5 mm wide, very shortly acuminate, glabrous. Flowering pedicel 4–7 mm long, upright. Sepals 6–7.5 mm long, glabrous or sparsely sericeous abaxially, sparsely sericeous or patchily villous adaxially. Petals 5 (6), elliptic to narrowly elliptic, 9–12 (–18) mm long, glabrous. Stamens 10 (–12), in 2 slightly unequal whorls, all fertile or some staminodal; filaments 5.5–6 mm long. Ovary very densely white-sericeous; ovules 2 per cell; style and stigma 2–4 mm long; style glabrous. Fruit a globose 5-winged schizocarp, 13–20 mm long, 18–25 mm wide, very tardily dissociating into 5 cocci; fruiting pedicel 7.5–11 mm long. Cocci 2-winged, woody, densely pubescent between wings dorsally, less so on wings, lacking spines.
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