Shrub or tree, up to 7 m high, armed. Spines > 20 mm long. Twigs often strongly angled or striate. Leaves fasciculate or not, blade obovate to narrowly obovate, 25-45 x 10-25 mm, base cuneate, usually decurrent on petiole, margin acutely irregularly serrulate to entire. Flowers: corolla white; Jun.-Dec. Fruit a 2-or 3(4)-locular capsule, usually yellow.
Monoecious, spiny shrub or small tree, up to 7 m tall. Leaves in tufts, obovate, toothed above. Flowers many in axillary cymes, white, foetid. Fruit a globose, warty, brown capsule.
Monoecious, spiny shrub or small tree to 7 m. Leaves in tufts, obovate, toothed above. Flowers many in axillary cymes, white, foetid. Capsules globose, warty, brown.