黑木姜子 hei mu jiang zi

Tetranthera salicifolia Roxburgh ex Nees in Wallich, Pl. Asiat. Rar. 2: 66. 1831; Litsea atrata S. K. Lee; L. polyantha Jussieu f. glabra H. Liu; Litsea salicifolia f. glabra (H. Liu) C. K. Allen.

Evergreen trees, up to 10 m tall. Branchlets glabrous. Leaves alternate; petiole 1-1.5 cm, glabrous; leaf blade long elliptic, 9-19 × 3-5.5 cm, glaucous and yellow-brown puberulent when young abaxially, glabrous adaxially, pinninerved, lateral veins 10-15 pairs, base acute, apex acuminate or acute. Umbels axillary, in cluster of 2-6; peduncle 3-7 mm, glabrous or subglabrous; male umbel 4-6-flowered. Male flowers: pedicel ca. 1 mm, pubescent; perianth segments 6, ovate or lanceolate; fertile stamens 9; filaments villous at base, of 3rd whorls each with 2 stipitate globose glands at base; rudimentary pistil lacking. Fruit oblong, 10-11 × 5-6 mm; fruiting pedicel 4-7 mm, glabrous. Fl. Apr-May, fr. Jun-Sep.

Sparse forests in valleys; 300-1200 m. Guangdong, Guangxi, SW Guizhou, Hainan, S Yunnan [Bangladesh, Bhutan, India, Myanmar, Nepal, Vietnam].