云南黄杞(原变种) yun nan huang qi (yuan bian zhong)

Trees to 20 m tall. Leaves 25-35 cm; petiole 3.5-11.5 cm, glabrous to tomentose; rachis glabrous to tomentose; leaflets (4-)8-14, petiolule 2-10 mm, blade elliptic to elliptic-lanceolate, 7-15 × 2-5 cm, abaxially glabrous except for slight pubescence along midvein and in secondary vein axils, base broadly cuneate, apex obtuse or sometimes acute. Fruiting spike (22-) 30-45(-60) cm, glabrous. Nutlets globose, ca. 3.5 mm, hispid; wings hispid at base, middle wing 2.5-3.5 cm, lateral wings ca. 1.5 cm. Fl. Nov, fr. Jan-Feb. 2n = 32.

Mixed forests on mountain slopes; 500-2100 m. Guangxi, Xizang, Yunnan [Bhutan, India, Indonesia, Laos, W Malaysia, Nepal, Pakistan, Philippines, Sikkim, Thailand, Vietnam]