Wutong

Wutong

(Yunnan Chinese herbal medicine)

[synonym] Jiegu tree (Yunnan herbal medicine selection), meishaos (Dai name).

[source] is the root bark or stem bark of Wutong, a Verbena plant.

[plant morphology] Wutong

Deciduous tree, up to 15 meters high, with grayish brown bark. The root is cylindrical, and the outer skin is yellowish brown. Branches cylindrical, grayish brown, striated and lenticel, with loose pith. The leaves are hard papery, oval to oblong, oval, 12-20 cm long and 7-12 cm wide, apex acuminate, base round, green above, puberulent along veins, light green below, densely covered with white villi; when young, the margin is coarse toothed, mature leaves are often complete, lateral veins are 6-8 pairs; petiole is 3-6 cm long, densely covered with hairs. Flowers small, white, 2-lipped, terminal cymes, 15 cm wide, with linear bracts. Drupe small, globose. It blooms in summer.

It grows in roadside, ditch and hillside. It is distributed in Yunnan.

[collection] the stem bark was collected in spring, and the root bark was collected after autumn. Dry in the sun and grind.

[nature and taste] 1. Yunnan Chinese herbal medicine: "sweet, slightly bitter, flat. "

② "Astringent, cold" in selected Yunnan Chinese herbal medicines. "

[functions and indications] 1. Yunnan Chinese herbal medicine: "bone grafting, hemostasis. The fracture was treated. "

② "Yunnan Simao Chinese herbal medicine selection": "Shujin Huoxue, Jiegu analgesic, hemostasis Shengji. Treatment of fracture, traumatic injury, traumatic bleeding, rheumatic bone pain. "

[usage and dosage] oral administration: decoction, 0.5-1 Liang; or soaking in wine. External use: grind the end to adjust to apply or sprinkle the wound.