1. Ventilago leiocarpa Bentham, J. Proc. Linn. Soc., Bot. 5: 77. 1861.
翼核果 yi he guo
Shrubs scandent. Young branches pilose; branchlets brown, striate, glabrous or pubescent. Petiole 3-5 mm, adaxially sparsely pilose; leaf blade ovate-oblong or ovate-elliptic, 4-8 × 1.5-3.2 cm, thinly leathery, abaxially ± densely pubescent or pilose on major veins, adaxially glabrous except for midvein, lateral veins 4-6(or 7) pairs, prominent abaxially, impressed adaxially, base rounded or subrounded, margin subentire, only inconspicuously serrulate, apex acuminate, or shortly acuminate, rarely acute. Flowers small, bisexual, 5-merous, solitary or 2- to few fascicled in axils of leaves, rarely in terminal cymose racemes or cymose panicles, glabrous or sparsely pilose. Pedicel 1-2 mm. Sepals triangular. Petals obovate, apex emarginate. Stamens slightly shorter than petals. Disk pentagonous. Ovary immersed in disk; styles 2-fid or cleft to half. Drupe depressed-globose, 3-5(-6) cm; stone 4-5 mm in diam., glabrous, wing 7-9 mm wide, apex obtuse-rounded, mucronulate, surrounded by persistent calyx tube at base for 1/4-1/3, 1- or 2-loculed, 1-seeded. Fl. Mar-May, fr. Apr-Jul.
Sparse forests, thickets; below 1500 m. Fujian, Guangdong, Guangxi, S Guizhou, Hunan, Taiwan, Yunnan [India, Myanmar, Thailand, Vietnam].
The roots are used medicinally for improving the circulatory system and tendons and for treating numbness in limbs, injuries, and trauma.