察隅枫 cha yu feng

Acer cappadocicum Gleditsch f. rubrocarpum A. E. Murray, p.p.

Trees usually ca. 10 m tall. Branchlets slender, glabrous; buds brownish, ovoid. Leaves deciduous; petiole 5-7 cm, puberulent near apex; leaf blade abaxially pale green, adaxially dark green, 6-9 × 5-8 cm, papery, abaxially densely yellow-gray tomentose, adaxially glabrous, base rounded, usually 5-lobed; lobes triangular-ovate, margin entire. Inflorescence corymbose, 5-6 cm, glabrous. Sepals 5, green, oblong, ca. 3 mm. Petals 5, obovate, 4-5 mm. Stamens 8. Ovary pubescent; style ca. 1.9 mm, glabrous; stigmas revolute. Fruit greenish yellow; nutlets ± flat, ca. 1.2 cm × 6-7 mm; wing including nutlet 3.5-4 × ca. 1.2 cm, wings spreading ± horizontally. Fl. Apr, fr. Sep.

● Forests, valleys; 1600-2700 m. SE Xizang.