Trees, deciduous, 8-25 m tall. Leaves alternate, odd-pinnate; stipules caducous; leaflets 3-10 pairs; petiolule short, with stipels; blades narrowly ovate to ovate, margin serrate, subcoriaceous, glabrous or pubescent. Flowers small, yellow. Male flowers densely arranged on a slender spike, then aggregating into a loose axillary panicle, vestigial ovary present; bisexual flowers larger than male ones, nearly sessile at anthesis, with pedicel developing gradually into fruiting stage, panicle axillary, consisting of 3-5 spikelike branches. Sepals 5, fused at base to form a tube. Petals 5. Stamens 5, alternate with petals, exserted. Floral disk absent. Ovary 1-locular with 1 ovule. Fruit a berry, drupelike, indehiscent.

● Two species: China.