Mongolian red poplar

Mongolian red poplar

(Guizhou herbal medicine)

[synonym] Alnus cremastogyne, wax gourd tree, wax gourd tree (Yunnan Simao Chinese herbal medicine selection), Alnus cremastogyne in Mengzi (Chinese higher plant Atlas).

[source] the bark of Betula alnoides.

[plant morphology] wax gourd

Deciduous trees, about 10 m high. The leaves are nearly leathery, obovate, ovate, broadly elliptic or long ovate, 4-16 cm in length and 2.5-10 cm in width, margin nearly entire or serrate, apex short pointed or acuminate, base round or cuneate, lateral veins 8-16 pairs, petiole 1-2.5 cm in length. Flowers unisexual, male flowers catkin, many, drooping. The inflorescence is very numerous, arranged in a conical shape; the bract is woody, about 4 mm long, and the apex is 5-lobed; the Samara is about 2 mm long, membranous, and the wing width is 1 / 2 of or equal to the width of the fruit. The flowering period is from June to October. The fruit ripens from March to May next year.

Born in hillside forest, roadside, riverside and other wet places. Distributed in Guangxi, Guizhou, Sichuan, Yunnan, Tibet and other places.

[collection] it can be harvested all year round, chopped and dried in the sun.

[nature and taste] selection of Yunnan Simao Chinese herbal medicine: "bitter and astringent, cool. "

[functions and indications] 1. Guizhou herbal medicine: "benefit water. Treatment of edema. "

② "Yunnan Simao Chinese herbal medicine selection": "clearing heat and detoxification, relaxing tendons and collaterals, dispelling wind and dampness. Treatment of bacillary dysentery, diarrhea, rheumatism, bone pain, fracture. "

[usage and dosage] oral administration: decoction, 0.5-1 Liang. External use: fried, washed or tamped.

[formula selection] ① treatment of edema: appropriate amount of bark of Populus tomentosa. Wash the affected area with boiling water. (Guizhou herbal medicine)

② Treatment of diarrhea: water wax gourd tree, turning white leaves. Decoct in water and serve with pepper. (selected Chinese herbal medicines from Simao, Yunnan)