Leaves 3-foliolate; petiole up to 6 cm. long, slender; leaflets subsessile, lamina up to 7 (9) × 4 (5) cm., broadly elliptic to ovate or lanceolate, with the terminal leaflet somewhat larger and broader than the laterals, apex acuminate, margin very finely crenate-serrate and entire towards the base, base cuneate.
Fruit c. 1·4 × 0·8 cm., ellipsoid-ovoid, apiculate; pseudaril with 4 arms; endocarp c. 0·9 × 0·6 mm., smooth, with one face very convex and the other not so convex.
Flowers appearing before the leaves or with the young leaves, in small axillary clusters on short side-shoots or on the spines; pedicels c. 1 mm. long.
Straggling glabrous shrub or small tree up to 7 m. tall; bark smooth, dark green or grey, papery; branches spiny.
Calyx c. 3 mm. long, campanulate-cylindric, lobed to almost half-way.
Stamen-filaments slender, subterete.
Petals c. 4 mm. long (immature).
Disk-lobes 4.