Aulacia falcata Loureiro, Fl. Cochinch. 1: 273. 1790.

Trees 1-3 m tall. Branchlets, petioles, and inflorescence rachises hirsute. Leaves 5-11-foliolate; petiolules 3-7 mm; leaflet blades alternate, ovate to lanceolate, inequilateral, 4-9 × 1.2-3.5(-4.5) cm, margin serrate or repand, apex acuminate to caudate. Inflorescences terminal. Flowers ellipsoid or broadly so in bud. Calyx lobes broadly triangular, less than 1 mm. Petals white, oblong, 3-4 mm, outside glabrous or pubescent. Longer stamens subequal to petal length, shorter ones subequal to gynoecium length. Style cylindric, longer than ovary; stigma capitate. Fruit ellipsoid to obovoid, 8-10 × 7-9 mm, 1- or 2-seeded. Fl. Jan-Apr, fr. Jun-Aug.

Mountains; below 1200 m. SW Guangdong, Guangxi, Hainan, S Yunnan [Cambodia, Laos, Myanmar, Thailand, Vietnam].