Triceros Loureiro.

Trees or shrubs, evergreen or deciduous. Leaves opposite, exstipulate, odd-pinnately compound or simple; petiole constricted at tip; leaflet blades leathery, sometimes with stipels. Inflorescence a panicle, terminal or axillary. Flowers small, white, actinomorphic, bisexual, rarely unisexual. Sepals 5, imbricate, persistent. Petals 5, rounded, sessile, imbricate. Stamens 5, arranged at margin of disk; filaments flat. Floral disk conspicuous, margin undulate. Ovary sessile, 3-locular; styles 3, separate or united; stigmas capitate; ovules anatropous, numerous, arranged in 2 rows. Berry subglobose, indehiscent. Seed coat hard membranous or osseous.

Between 30 and 40 species: Asia, Central, North, and South America; 13 species (five endemic) in China.