A mountain dragon

(Shaanxi Chinese herbal medicine)

[synonym] yangyuman (Shaanxi Chinese herbal medicine), Caogu (Shaanxi Gansu Ningqing Chinese herbal medicine selection).

[source] it is the root bark of the leaves of Hippophae rhamnoides.

[plant morphology] Ampelopsis aconitifolia

Deciduous woody vines. The root epidermis is purple brown, the endodermis is light pink, sticky. Stem cylindrical, with lenticels, pith white, young branches covered with yellow villi, tendrils opposite leaves. Leaves alternate, broadly ovate, 3-5 palmately compound; leaflets all feathered or undivided, lanceolate or rhombic lanceolate, margin with large round obtuse serrate, glabrous, or slightly hairy on veins below young leaves: petioles shorter than leaves. Cyme opposite to leaf, total petiole longer than petiole; flower small, yellow green; calyx undivided; petal 5; disk edge truncate; stamen 5; ovary 2-locular, style thin. Berry subglobose, ca. 6 mm in diam., orange yellow at maturity.

Most of them grow on roadside, gully, hillside undergrowth shrub, hillside gravel and sandy land. Distributed in Shaanxi, Gansu, Ningxia, Henan, Shandong, Hebei, Shanxi and other places.

[collection] it can be harvested all year round, and the surface cork can be peeled off for fresh or dry use.

[nature and taste] Shaanxi Chinese herbal medicine: "pungent, hot. "

[function indications] Shaanxi Chinese herbal medicine: "promoting blood circulation, dispersing blood stasis, anti-inflammatory and detoxification, promoting muscle and bone growth, eliminating wind and dampness. For traumatic injury, fracture, sore, swelling and pain, rheumatoid arthritis. "

[usage and dosage] oral administration: decoct soup, 3-5 yuan; or grind powder. External use: tamping.