Yam nut

Yam nut

(Yunnan Chinese herbal medicine)

[source] it is the stem of Celastraceae.

[plant morphology] Ampelopsis amabilis

Climbing vines, several meters long. Branchlets gray, lenticels distinct. The cuticle of stem is rough and easy to fall off. The leaves are simple, alternate, leathery, broad ovate or oblong, 8.5-11 cm long and 5.5-6.5 cm wide, with coarse teeth on the margin. Flowers small, variegated, greenish yellow, panicle terminal; calyx 5-lobed; petals 5-spreading; stamens 6, inserted on the edge of disk; ovary superior; style short, stigma 3-lobed. Capsule, subglobose, 3-valved; seeds with orange pseudotesta.

In broad-leaved forests or shrubs. It is distributed in Yunnan, Guangxi and other places.

[collection] all year round. For drying.

[nature and taste] sour, flat, little toxic.

Functions and indications: dispel wind and detumescence, relax muscles and activate collaterals. Treatment of vasculitis, pyelonephritis, traumatic injury.

[usage and dosage] oral administration: decoction, 1-2 yuan.

Chinese PinYin : Shan Huo Lang