Dragon chopping sword
(Journal of Shenyang Pharmaceutical College (3): 851961)
[synonym] herbaceous Clematis (medicinal botany by Li Chenghu), wolftail flower, jiujiecao, shanbiancao, caoyumei (economic flora of Liaoning).
[source] it is the whole plant of Veronica verticillata (Scrophulariaceae).
[plant morphology] Veronica annulata
Perennial herbs, 0.8-1.5 m high. Rhizome transverse. Stem erect, rounded. Leaf blade broadly lanceolate or oblong, 10-15 cm long and 2-3 cm wide, apex acuminate, base cuneate, margin serrate. Panicle raceme, caudate; flowers small, tubular, lavender or purplish blue; stamens 2. Capsule ovoid conic, with furrows on both sides.
Born in forest, wet grassland, gully and other places. Distribution of northeast, North China, northwest and other places.
[collection] harvest in summer and autumn, remove soil, chop and dry.
[chemical constituents] it contains mannitol, luteolin 7 - β - neohesperidin and luteolin 7 - β - d-glucopyranoside.
[nature and taste] The Handbook of commonly used Chinese herbal medicines in Northeast China: "it tastes slightly bitter, and its nature is cold. "
[function indications] it is used to treat cold, rheumatic lumbocrural muscle pain, cystitis and insect bite.
① "Northeast commonly used Chinese herbal medicine manual": "clearing heat and detoxifying. "
② "Manual of commonly used Chinese herbal medicine in the north": "dispelling wind, removing dampness, detoxifying and relieving pain. Treatment of rheumatic lumbago, muscle pain, cold, cystitis, tuberculosis, wound bleeding, snake bite, poisonous insect crab injury. "
[usage and dosage] oral administration: decoction, 3-5 yuan (1-2 Liang fresh). External use: tamping.
[selected formula] to treat snake, scorpion and bee bites: cut two to four liang of the tender branches and leaves of dragon sword and pound the affected area; cut two to three liang of the stems and roots of dragon sword and take them in water. (Handbook of commonly used Chinese herbal medicines in Northeast China)
Chinese PinYin : Zhan Long Jian
Dragon chopping sword
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