Large acid Shamrock

[ ] Pinyin name Dà Suā n Ji ān Cǎ o
[ alias ] large acid, grass ephedra, ephedra, clay soil, Sichuan-Yunnan sorrel rhubarb
[ source ]
Medicine medium source: Polygonum hastate-leaf dock root or the whole plant.
Latin plant animal name: Rumex hastatus D. Don mineral
Harvest and storage: summer, autumn mining the root or the whole grass, washed, dried or fresh.
[ ] the original morphology of perennial herbs or subshrubs,30-50cm. Rhizomes woody, brown; stems erect, branched, slender, with grooves and white. Blade 3deeply lobed, lobes linear, in lobation long or nearly linear lanceolate, long 1.5-3.5cm, two sides ear lobes outward or upward bending, lobes long 0.5-1.5cm, leaf base hastate, entire, glabrous, with white; petioles longer than leaf blade; ocrea membranous, tearing, brown. Racemose top is unripe, inflorescence axis length, there are white; dioecious, bracts membranous, lacerate; pedicels extend bud; perianth 6, red; female flowers outer tepals 3, reflexed, inner perianth segments3, erect, netted; styles 3, stigmas penicillate.
[ ] habitat distribution
Ecological environment : in elevation of 1500-2000m Valley shrub or grass slopes, rock.
Resource distribution: distribution in Sichuan, Guizhou, Yunnan, Tibet.
[ character ] trait identification of slender cylindrical, bending, occasionally branching; up to 30cm, diameter 0.5-1.5cm; section wood, yellowish brown, taste bitter. Stems much branched, section slightly dilated; surface longitudinal stria. Petiole slender, leaf blade hastate fork, narrow, long 2-5cm, wide 1-5mm. Raceme densely yellow to reddish flowers. Samara, three prism. Gas micro, bitter, astringent.
[ composition ] hastate-leaf dock root and rhizome containingβ - sitosterol (β -sitos-terol ), eighteen alkyl alcohol (stearyl alcohol ), quercetin -3- pyran galactoside ( quercetin-3-O- β-D-galactopyranoside ), ( leucocyani-din ) leucocyanidin, chrysophanol ( chrysophanol ), ( emedin ), emodin and physcion ( physcion hydroxy methyl anthraquinone ),8- -3- -1-O- (4-O-β -D- glucopyranosyl galactosyl ) -α-L- pyran rhamnoside (8-hydroxy-3-methyl anthraquinone-1-O- (4-O- β-D-galactopyransyl ) -α -L-rhammopyranoside ).
[ ] taste astringent acid; micro Xin; temperature;
[ indications ] diaphoresis; Qufeng desiccant; cough; hemostasis. The main cold; headache; rheumatoid arthritis; cough; traumatic injury; uterine bleeding
[ usage]: orally taken decoction,15-30g; or wine. External: amount, water decoction fumigation; trace and apply; or grinds end apply.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/