Trees or shrubs, usually armed
with spines or spiny branchlets. Stipules free, small,
caducous or 0. Leaves alternate or fasciculate (on short
shoots). Flowers in cymes, usually functionally unisexual.
Sepals 5(-6). Petals 5(-6), white, cream to greenish-yellow.
Disk intrastaminal, single, convex to shallowly concave,
entire or shallowly (4-)5-10(-12)-lobed or angled. Ovary superior. Stigma 2-3(-4)-branched. Fruit a dehiscent capsule, without outgrowths. Seeds 1-6(-8), glossy, red-brown,
± surrounded by a yellow, or more rarely a white or purple, aril. The larvae of the following species of insect eat species of this genus: |
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