云南幌伞枫 yun nan huang san feng

Trees, evergreen, to ca. 10 m tall. Leaves 2-pinnately compound; petiole 6-22 cm, glabrous; petiolules 2-12 mm, terminal one to 2.2 cm; leaflets orbicular to ovate or elliptic; 4.5-6 × 2.5-4.5 cm, papery, both surfaces glabrous, lateral veins 4 or 5 pairs, slightly conspicuous on both surfaces, base rounded to broadly cuneate, margin entire, apex abruptly acute or shortly abruptly acuminate. Inflorescence densely ferruginous pubescent, glabrescent; primary axis ca. 15 cm; secondary axes 25-30 cm; peduncles 1.8-3.2 cm. Fruit compressed laterally, circular to slightly oblate, 6-8 mm in diam., ca. 1.5 mm thick; styles recurved, free to base, ca. 2 mm; pedicels 2-3 mm. Fl. Nov, fr. Apr-May.

● Forests in valleys; 100-1500 m. SW Yunnan (Jinggu, Lancang).

This species is used medicinally.