Big tree bark

Big tree bark

(Yunnan Chinese herbal medicine heritage)

[synonym] Ulmus pumila and Ulmus pumila.

[source] it is the stem endothelium of Ulmus pumila.

[plant morphology] Ulmus pumila

Deciduous tree, up to 15-20 meters high, diameter at breast height about 30 cm, crown nearly round; bark dark gray brown, rough, longitudinal furrow, branchlets soft, hairy. Single leaf alternate; leathery; obovate to elliptic ovate, 2.5-4.5 cm long, 1-2 cm wide, apex short acuminate, base broadly cuneate to rounded, margin serrate, dark green above, light green below, lateral veins about 9 pairs, slender, parallel; petiole 2-4 mm long, pubescent; stipules caducous. Inflorescence racemose; flowers yellowish or reddish; sepals 5, lanceolate to elliptic. Indumentum ciliate; stamens 4-5, prominent. Samara obovate or suborbicular, ca. 1.2 cm wide, apex notched; seed in center. It blooms in early spring.

It grows in sparse forest on hillside. Distributed in Guangdong, Guangxi, Yunnan and other places.

[collection] collection in late autumn. Scrape off the rough skin, wash and dry.

It is astringent and smooth.

[function indications] astringent hemostasis. Treatment of gastrointestinal bleeding, urine blood, all kinds of traumatic bleeding.

[usage and dosage] oral administration: Yanmo, 5-7 points. External use: grind and sprinkle on the affected area.