桂北木姜子 gui bei mu jiang zi

Litsea subcoriacea var. stenophylla Yen C. Yang & P. H. Huang.

Evergreen trees, 6-7 m tall. Branchlets conspicuously angulate, glabrous. Leaves alternate; petiole 0.5-3 cm, glabrous; leaf blade lanceolate or elliptic-lanceolate, 5.5-20 × 1.5-5.5 cm, glaucous and glabrous or along veins pilose when young abaxially, glabrous adaxially, lateral veins 9-13 pairs, conspicuously reticulate-veined abaxially, midrib impressed adaxially, base cuneate, apex acuminate, abruptly acute, or slightly falcate-curved. Umbels clustered on short branchlets, male umbel 5-flowered; peduncle ca. 2 mm, pubescent. Male flowers: pedicel pubescent; perianth segments 6, ovate; fertile stamens 9; filaments pubescent at base, of 3rd whorls each with 2 small rounded glands at base; rudimentary pistil lacking. Fruit ellipsoid, ca. 1.5 × 0.8 cm, seated on cup-shaped perianth tube; perianth tube usually irregularly lobed; fruiting pedicel 4-6 mm, pubescent. Fl. Aug-Sep, fr. Jan-Feb.

● Sparse or dense forests in valleys, roadsides, rocky mountains; 400-2000 m. N Guangdong, N Guangxi, SE Guizhou, W Hunan, NE Zhejiang (Ningbo).