Vasilis Teodoridis:
Aceraceae | Acer
38. Acer laevigatum Wallich; Pl. Asiat. Rar. 2: 3. 1830.
??? guang ye feng
Trees 10-15 m tall; andromonoecious. Branchlets slender; glabrous or pubescent. Leaves persistent; petiole 1-1.8 cm; glabrous or pubescent; purple-green; leaf blade light green on both surfaces or abaxially greenish; lanceolate to oblong or ovate- or elliptic-oblong; 7-15 x 2.5-5 cm; leathery or papery; abaxially with tufts of hairs at vein axils when young; then glabrous; adaxially glabrous; 3-veined at base; reticulate; veins slightly raised; lateral veins 7-12 pairs; base cuneate; broadly cuneate; or rounded; undivided; margin usually entire or remotely serrate when young; apex acuminate or shortly acuminate; acumen to 1.5 cm. Inflorescence terminal on leafy branchlets; corymbose-paniculate; pubescent or glabrous. Pedicel 6-8 cm; slender; glabrous. Sepals 5; ovate-oblong. Petals 5; white; obovate; longer than sepals. Stamens 8; glabrous. Disk glabrous; extrastaminal. Ovary slightly pubescent; style glabrous. Fruit brownish yellow when mature or purplish green; nutlets strongly convex; ellipsoid or ellipsoid-oblong; ca. 1 cm in diam.; introrsely falcate; wings spreading acutely; erectly; or horizontally. Fl. Apr; fr. Aug-Sep. 2n = 26.
Forests; 1000-2000 m. Guangdong; Guangxi; Guizhou; W Hubei; Hunan; N Shaanxi; Sichuan; S Xizang; Yunnan [Bhutan; N India; Myanmar; Nepal; Vietnam].