苹婆枫(原亚种) ping po feng (yuan ya zhong)

Acer villosum Wallich f. sterculiaceum (Wallich) Schwerin.

Petiole 10-15 cm; leaf blade abaxially pubescent when young and pubescent on veins and at vein axils when mature, usually 5-lobed, rarely 3- or 7-lobed; lobes basally cordate, margin distantly serrate, apex acuminate. Samara wing including nutlet 5-6 cm, wings 1.5-2 cm wide.

2300-3100 m. S Xizang, NW Yunnan [Bhutan, N India].