Dongfeng grass

[ ] Pinyin name Dō n Fē n Cǎ o
[ alias ] nine miles, nine light, Senecio, Senecio, yellow hair Elephantopus scaber, big head Ai Naxiang
[ source ]
Medicine medium source: as the Compositae Dongfeng grass herb.
Latin animal mineral name: Blumea megacephala ( Randeria ) Chang et Tseng[B.riparia ( Bl. ) DC.var.megacephala Randeria; B.chinensis auct.non DC.]
Harvest and storage: summer and autumn harvest, fresh or dried cut section.
[ ] the original morphology of Dongfeng grass, climbing shape herbaceous vines or woody at base,1-3m long or longer. Stems much branched, cylindrical, have apparent striation, with sparse hairs or glabrescent, internodes 6-12cm, branchlet internodes 2-4cm. Lower and middle leaves2-5mm handle; leaf blade ovate or oblong, ovate-oblong,7-10CM long,2.5-4cm wide, apex mucronate, base rounded, margin sparsely serrulate or punctate tooth, which was sparsely hairy or glabrescent, glossy, stem often pale black, glabrous below or how much be sparse hair; midrib significantly above, below projections, lateral veins 5-7 pairs. Branchlets upper leaves smaller, oblong or ovate-oblong,2-5cm long,1-1.5cm wide, shortly stipitate, with fine teeth on edge. Capitate evacuation, usually1-7in axillary branchlets top rank in racemes or subcorymbose inflorescences, and formed large leafy panicle, inflorescence handle is long1-3cm; involucral hemispherical; involucral bracts5-6layer, outer base often curved, abaxially densely hairy, apex slightly pointed middle, rear ridge hair, a ciliate, inside longer than the outermost 3times; receptacle flat, densely white villous; flowers yellow, female flowers numerous, small tube, a2-4tooth crack; bisexual flower corolla tubular, white multicellular Festival hair, a5tooth crack. Achene is cylindrical, with10 edges, is sparsely hairy; crested white, brown hairy. Florescence 8-12 month.
[ ] habitat distribution
Ecological environment : in forest margins, thickets, mountain, hill office.
Resource distribution: distribution in the southwest and Jiangxi, Fujian, Taiwan, Hunan, Guangdong, Hainan, Guangxi and other places.
[ character ] character identification, the stem surface light brown, nearly glabrous. Yedo collapse broken. Full leaf blade elliptic or ovate-elliptic,7-10CM long,2.5-4cm wide, tip acuminate, base cuneate or rounded, pale brown, glabrous above, below is a rough, hairy or subglabrous, margin denticulate, net arteries and veins is very obvious, petiolar long 2-5mm, pilose. Some residual heads. Gas, slightly bitter taste.
[ ] bitter taste; micro Xin; cool
[ indications ] qingremingmu; Qufeng Zhiyang; alexipharmic detumescence. The swollen red eyes; a cover over the eyes; rubella scabies;; pruritus; carbuncle boils; traumatic swelling
[ usage]: Decoction decocted,10-15g. External application: suitable, washed fried; or pound apply.
Excerpts from" Chinese Materia Medica" [ ]

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