Cherry forehead

Cherry forehead

(collection of compendium)

[synonyms] Yinge pear, Houli (Shengjing Tongzhi), smelly plum (northeast woody plant Atlas), Maga (Mongolian name).

[source] it is the fruit of Prunus hirsutus, a Rosaceae plant.

[plant morphology] Prunus hirsutus

Deciduous trees, up to 10 m high. The bark is rough, variegated, dark brown or black; the tender branches are pubescent, dark brown or grayish green, with sparse and prominent lenticels; the buds are brown, ovate. Stipules linear lanceolate, caducous; simple, alternate; petiolate, elliptic or obovate, 4-12 cm long, 2-6 cm wide, base cuneate or suborbicular, apex acute, margin acutely serrate, below pilose; stipules linear lanceolate, caducous. Raceme, 10-15 cm long, composed of 15-24 flowers, with 4-5 leaves at the base of inflorescence; peduncle 0.5-1.5 cm long, 2-3 times longer than calyx tube; calyx 5; petal 5; stamen 15-20; style shorter than stamen. Drupe dark purple or black, base with persistent calyx, nucleus with skin like wrinkles. The flowering period is from May to June. The fruit period is from August to September.

It grows on river banks and rarely on forest margins. Distributed in Heilongjiang, Jilin, Liaoning, Hebei, Shanxi, Shandong, Shaanxi, Gansu and other places.

[chemical constituents] the fruit contains 6.4% sugar. The seed oil content was 38.79%. The bark contains tannins.

[pharmacological action] the leaves or buds of the original plums contain yellow volatile oil (the highest content in summer), which has antibiosis effect. The concentration of 1:8000-10000 can kill the insect in 2-3 minutes. The volatile oil can reduce the activities of catalase, tyrosinase and catalase, but has no effect on xanthine dehydrogenase and esterase.

[sexual taste] "notes from the compendium of Chinese medicine:" sweet and astringent in taste, warm in nature. "

Functions and indications: Compendium notes: "invigorate the spleen and stop diarrhea. "

[usage and dosage] oral: decoction, 3-5 yuan.