Trees or shrubs. Leaves 5-costate, cordate, usually palmately lobed. Inflorescence an axillary or terminal, much branched, pedunculate cyme. Flowers bisexual, actinomorphic; bract 3, deciduous or absent. Sepals 5, united at the base, eventually reflexed. Petals 5, persistent, imbricate. Stamens 10-20, alternating with 5, strap-shaped staminodes, both monadelphous at the base, anthers parallel. Carpels 2-5, syncarpous; ovary sessile, 2-5-loculed, each locule 2-3-ovuled; style simple; stigmas 2-5, patent. Capsule loculicidally dehiscent, as many loculed as ovary, locules 1-2-seeded. Seeds endospermic.