2012年5月23日星期三

Large leaves



[ source ] was contained in the" dictionary of the families and genera of Chinese seed plants".
Pinyin name ] [ Dà Yè Zi
English name [ ] Common Astilboides
[ alias ] hill, Buddha lotus leaf umbrella.
[ source ]
Medicine medium source: as the Saxifragaceae plant leaves and grass roots.
Latin animal mineral name: Astilboides tabularis ( Hemsl. ) Engl.[Saxifraga tabularis Hemsl.; Rodgersia tabularis Kom.]
Harvest and storage: collected in autumn, wash, cut, dried.
[ ] the original morphology of large leaf perennial is herbaceous, tall 1-1.5m. Roots thick, dark brown, up to 35cm, producing adventitious roots festival. Stems unbranched, lower stream students with short stiff hairs. Basal leaves single, peltate with students; petiolar long 30-60cm, base broadened into a sheath, amplexicaul, stabbed. Glandular hairs; leaf blade suborbicular or ovoid, diameter 18-60( -100) cm, palmately lobed, broadly ovate, apex acute or short acuminate, often more lobed, margin irregular heavy saw tooth, two sides by hispidulous; cauline leaves smaller, palmately 3-5lobed, base cuneate to truncate. Inflorescence terminal, long 15-20cm; the flowers are small, white or purplish; sepals 4-5, ovate, apex obtuse or retuse, abaxially sparsely subsessile of glandular hairs,5veins and apex confluent; petals 4-5; stamens 8; carpels 2, connate on lower, half-inferior ovary. Capsule. Seeds narrowly ovate, winged. Florescence 6-7 month, month of fruit period 8-9.
[ ] habitat distribution
Ecological environment : in mountain hillside forest valley ditch.
Resource distribution: located in Jilin, Liaoning and other places.
[ character ]
Trait identification of rhizome irregular mass, diameter 2-3cm. The surface is dark brown, festival with a plurality of marks or residual root and bud; upper stem base sparsely short stiff hairs. The brittle, easily broken, section red brown, significant powder. Gas micro, mild.
The whole grass shrinkage, shallow tan. Stem diameter cylindrical,0.5-2cm, unbranched, hollow, lower sparsely stiffly glandular hairs; easily broken. Leaf blade were broken, basal leaves 1, peltate living, intact leaves suborbicular, diameter 18-60cm, palmately lobed, margin dentate incised and irregularly doubly serrate, petiolate spiny stiff hairs; cauline leaves smaller. Panicles, flowers small, white or purple. Gas, taste bitter.
[ ] the whole grass chemical composition containing a colorless delphinidin ( leucodephninidin ), leucocyanidin ( leucocyanidin ), quercetin ( quercetin ) and gallic acid ( ellagic acid ).
[ ] taste bitter astringent; flat;
[ ] to the large intestine meridian
[ indications ] Sechang zhixie. The main diarrhea
[ usage]:1.5-3g orally taken decoction.
[ ] the treatise" Xinhua Materia Medica": outline of root and the whole grass: astringent, Guchang Zhixie function. For diarrhea.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/

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