Trees. Leaves spiral, impari- or paribipinnate. Stipules small, caducous. Inflorescences axillary, solitary, sometimes few-branched, branches with spike-like racemes, erect, bottle-brush-like; bracts and bracteoles small, caducous. Flowers bisexual, pedicelled. Petals 5, imbricate. Stamens 5; anthers versatile, introrse. Ovary with a free stipe, oblong or linear, 10-20-ovuled; style and stigma not sharply distinct from the ovary, incurved, pointed at the apex. Seeds slightly lens-shaped, smooth, not albuminous.
Asia-Temperate, Asia-Tropical: Laos (Laos present); Thailand (Thailand present), Burma present, eastern India present
So far known only one species in eastern India, Burma, Thailand, Laos, China, and Malesia.