Big yellow grass

[ ] Dà I Pinyin name Huá n Cǎ o
[ alias ] red grass, leaves on white
[ source ]
Medicine medium source: as the Compositae oblong leaves of Blumea balsamifera total grass.
Latin botanical mineral name: Blumea oblongifolia Kitam.[B.malabarica animal auct.non Hook.f B.clarkei auct.non Hook. F.];
Harvest and storage: summer and autumn harvest, fresh or dried cut section.
[ ] the original shape of oblong leaves Ai Naxiang perennial is herbaceous, tall 50-150cm. Taproot fusiform. Stems branched, with edges, the upper part was more densely long hairy, internodes 2-4cm. Basal leaves often smaller than middle lobe; central lobe oblong or narrowly elliptic-oblong, long 9-14cm, wide 3.5-5.5cm, apex mucronate or obtuse, base cuneate or attenuate, sessile, margin narrowly revolute and hard heavy saw has above, pubescent, sparsely villous below; midribs biconvex, lateral veins 5-7 pairs; upper leaves become smaller, sessile or oblong, oblong-lanceolate,4-5.5cm long,1-1.5cm wide, margin with sharp teeth or horny tooth, dilute entire. Heads of most top students, arranged in a sparse panicle; peduncle up to 2cm, densely villous; involucral globular bell; involucral bracts ca. 4layer, outer layer of green, linear-lanceolate, abaxially are linear-lanceolate, abaxially densely villous, in inner linear or linear, lanceolate, abaxially was pilose; torus honeycomb, by white thick hairy; flowers yellow; female flowers most, corolla tubule shape, brim shape3-4 tine is cracked; bisexual flowers with a corolla, tubular, eaves part5 crack, sparse and dense glandular hair is white. Achene is cylindrical, was sparsely white hirsute, with edges; crested white, brown hairy. Flowering in August to April the following year.
[ ] habitat distribution
Ecological environment : in roadside, Tanabe, grassland or valley stream.
Resource distribution: located in Zhejiang, Jiangxi, Fujian, Taiwan, Guangdong and other places.
[ character ] character identification stems with edges, the lower was sparse hair or hair removal, the upper being more will close and long hair. The Yedo collapse, entire leaves oblong, oblong-lanceolate, base wedge tapering, apex acute and mucronate or obtuse, margin narrowly and volume and irregular hard doubly serrate, both surfaces pilose, midvein raised, reticulate veins in the following obvious. In the shape of involucre campanulate; involucral bracts green, linear or linear-lanceolate, apex caudate tip, margin scarious, abaxially pilose; torus by white thick hair. Yellow brown, most fall off. Bitter, spicy.
[ ] bitter taste; micro Xin; cool
[ ] functions of clearing away heat and toxic material; and water swelling. The main acute bronchitis; enteritis; diarrhea; acute nephritis; urinary tract infection; multiple furuncle.
[ usage]: orally taken decoction,15-30g. External: fresh goods amount, trace and apply.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/