Niu Dangen white

[ ] B I Ni Pinyin name 's D n G n gave cabinet
[ alias ] mountain soil, little Mao Xiang, angelica angelica, black bone wind, dutchmanspipe, hardcore incense, white wind root
[ source ]
Medicine source: as the Compositae sheep ear chrysanthemum root.
Latin animal mineral name: Inula cappa ( Buch.-Hma. )
Harvest and storage: the beginning of summer after excavation, clean, fresh or dried.
[ ] the original morphology of sheep ear chrysanthemum subshrubs, high 70-200cm, roots thick, much branched. Stems erect, stout, the whole plant is dirty white or pale brown silky or cottony hairs from the upper or middle density, with branches. The lower leaves at anthesis off after leaving white or dirty white woolly axillary buds. Leaves alternate; central Ye Youchang about 0.5cm handle, on the production of leaves sessile; leaf blade oblong or oblong-lanceolate, middle leaf length 10-16cm, apex obtuse or acute, base rounded or nearly cuneate, edge has a small pointed serrations or teeth above shallow, basally verrucous densely hispid, midvein. The dense, below is a white or dirty white silky thick hairs. Capitate obovate, diameter 5-8mm, most concentrated in the stems and branches into cymose paniculate; involucral bracts 5 layer, outer layer over an inner layer of short 3-4 times, being white or brownish velutinous; flowers yellow, long 4-5.5mm, peripheral flower tongue short or no tongue central tubular flower narrowly funnelform. Achene long cylindrical, being white with long sericeous, crested brown yellow, and at length, there are more than 50 hispid. Flowering of 6-10 months, fr. 8-12.
[ character ]
Character identification of root head often remain short stems. The root is cylindrical, branching, length 2-5cm, diameter 0.3-1.5cm. Surface black or dark brown, with sparse roots or roots off residual marks. The root bark is thin, scraping the skin was brown and oily. Qualitative hard, cut surface xylem grayish yellow, yellow oil spots scattered, root head central myelinated, showed a cavernous. Special aroma, use of scratch root smell gas more fragrant. Spicy, slightly bitter.
To root stout, remnant stem short, fragrance is preferred.
Microscopic identification of root transection: the phellem cell flat, 8-10 Yu column, including yellow brown. The cortical cellular 4-8 column, hash secretory cavity; stone cells distributed in single or group, and fiber bundles are arranged into five. Phloem with stone cells, forming layer, xylem arranged tightly will, wood ray cells 2-4 column, type of rectangular, radially arranged, central to the primary xylem.
[ ] taste acrid in taste Gan; temperature;
[ function ] dispel cold-dispelling; cough; Qi pain. The main cold; cough; asthma; headache stomachache toothache;;; hernia; rheumatism; traumatic injury; menstruation; leucorrhea nephritic edema
[ usage]: orally taken decoction, 15-30g. External: moderate, grind end spread.
[ note ]
During fasting, acid, spicy food.
The 1" Chinese herbal medicine in Yunnan:" avoid spicy food. 2" Guangxi national drug compendium": Jichi acid, spicy food.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/