or small trees. Leaves simple, cordate, sometimes lobed, slightly serrate to
entire. Flowers in few-flowered cymes, opposite the leaves. Sepals 5, free or
connate at the base. Petals 5, free, spathulate. Stamens 10, 5 groups of
anthers alternating with staminodes, anthers 2-lobed, extrorse. Ovary sessile,
5-locular, each locule with many ovules, styles simple, stigmas 5-lobed. Fruit
a capsule, leathery with 5 longitudinal wings. Seeds numerous, wingless.