Description from
Flora of China
Bergera koenigii Linnaeus, Mant. Pl. 2: 563. 1771; Chalcas koenigii (Linnaeus) Kurz.
Shrubs or trees, to 4 m tall. Leaves 17-31-foliolate; leaflet blades ovate, 2-5 × 0.5-2 cm, base obtuse to rounded and oblique, margin entire or crenulate. Inflorescences terminal, paniculate, many flowered. Flowers 5-merous, ellipsoid in bud. Sepals ovate, less than 1 mm. Petals white, oblanceolate to oblong, 5-7 mm. Stamens 10. Stigma capitate. Fruit bluish black, ovoid to oblong, 1-1.5 cm, 1- or 2-seeded. Seed coat membranous. Fl. Mar-Apr, fr. Jul-Aug.
Moist forests; 500-1600 m. Guangdong, S Hainan, S Yunnan (Xishuangbanna) [Bhutan, India, Laos, Nepal, Pakistan, Sri Lanka, Thailand, Vietnam].