Indigo root

[ source ]" students from herbal preparation to"
Pinyin name ] [ Dà Dià n Gē n
[ ] Root of True Indigo English name
[ source ]
Medicine medium source: for leguminous plants Wood Blue Indigofera tinctoria L. root.
Latin botanical name: Indigofera tinctoria L. animal fossil
Harvest and storage: autumn harvest, cut and dried.
[ ] the original morphology of wood blue small shrubs, tall 50-80cm, rarely more. Stems erect, branchlets white tee. Ye Husheng; petiolar long 1.3-2.5cm; stipules small, conical; leaves odd-pinnate, long 2.5-5cm, leaflets opposite, flocculus 9-13, leaf blade obovate-oblong or obovate-elliptic,1.5-3cm long,0.5-1.5cm wide, apex obtuse, a small pointed, base cuneate, entire, both surfaces T-shaped hairs, leaf Ping often with blue. Racemes long2.5-5cm, usually axillary, without a leaf is short, flowers sparsely, has spent about20 flowers; calyx campanulate, oblique, silver white tee hairs,5tooth crack; corollaceous butterfly, red and yellow, ca.04mm, upper petal broadly ovate to oblong, hairy outside, wing flap oval, micro and dragon bone flap connected, keel petals spatulate, claw on the pitch; stamens 10, two; ovary sessile, styles short, incurved, stigmas capitate. Pod linear cylindrical, straight or slightly curved, ca.2.5-3cm, seeds are constricted, looks like a string of beads, hairy or glabrous. Seed5-10. Seeds orbicular, ca.1.5mm. Florescence 5-10 month, month of fruit period 6-11.
[ ] habitat distribution
Ecological environment: wild in the grass slope, the southern province has cultivated.
Resource distribution: distribution in the East and Hubei, Hunan, Guangxi, Guangdong, Sichuan, Guizhou, Yunnan and other places.
[ ] root chemical composition containing flavonoid apigenin ( apigenin ), Yama Na ( kaempferol ), ( luteolin ) of luteolin and quercetin ( quercetin ).
[ ] bitter taste; flat
[ ] to the Heart Sutra
[ ] functions of heat-clearing and detoxicating; pain relief. The main erysipelas; carbuncle swollen sore; snake bites
[ usage]: orally taken decoction,15-30g.
[ ]" the discussion of herbs preparation": solution to insect pests.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/