Rhododendron Leaf

[ ] from Zhejiang."" common folk herbal medicine.
[ ] Pinyin name Dù Juā n Hu āY è
[ source ]
Medicine medium source: Ericaceae Rhododendron leaf.
Latin animal mineral name: Rhododendron simsii Planch.[R Sweet var.simsii Maxim Indicum; R.indicum ( L. ) Sweet var.Ignescens Sweet]
Harvest and storage: spring and autumn harvest, fresh or dried.
[ ] the original morphology of deciduous or semi-evergreen shrub, high 2-5m. Much branched, young branchlets densely reddish brown or brown flat strigose, old branches gray-yellow, glabrous, bark slit. Flower buds ovoid, the middle part of the back side is brown strigose, margin eyelash. Leaf spring type two; leaves papery, short, long, summer leaves leathery, ovate-elliptic or ovate-lanceolate, long 3-6cm, wide 2-3cm, apex acute, with a mucro, base cuneate, margin entire, surface sparsely is reddish brown strigose, abaxially densely brown strigose, veins more and more. Flowers 2-6, umbels, clustered branch end; pedicel ca.5-8mm; calyx 5deeply lobed, lobes ovate to lanceolate, long 3-7mm, outside densely Cao Fumao and eyelashes; corolla broadly funnelform, rose to pink, purple, long 3-5cm,5 lobed, lobes nearly obovate,1flap and above nearly2valve inside the crimson spots; stamens 10, filaments of dilute 7-9, part of small hair, anthers purple; ovary ovoid,5 room,5-8mm long, densely long flat hispid, style slightness. Capsule ovoid,1-1.2cm long, densely brown hispid, persistent calyx. Florescence 4-6 month, month of fruit period 7-9.
[ ] habitat distribution
Ecological environment : in hilly or flat, sparsely filled in.
Resource distribution: distribution in the Yangtze River flow or with south each district, east to Taiwan, West to Sichuan, Yunnan.
[ ] the chemical composition of the leaves and young shoots containing flavone, coumarin, three terpenes, organic acid, amino acid, tannins, phenolic, sterols, sterol cardiac glycoside, volatile oil; flavonoids in Rhododendron simsii A and B, Matteuccia alcohol ( matteucinol ) and alcohol ( matteucinol ) of Matteuccia and the ostrich fern glycoside ( matteucinin ) [3], also containing ursolic acid ( ursolic acid ) and Qin wood toxin (an-dromedotoxin) [5].
[ ] see the pharmacological effects of Rhododendron molle strips.
[ ] acid taste; flat
[ ] functions of heat-clearing and detoxicating; hemostasis; resolving phlegm and relieving cough. The main boils; urticaria; trauma; bronchitis
[ usage] : the amount of fresh goods, external trace and apply; or washed fried. Oral administration of decoction,:10-15g.
[ ] the discussion
1" herbal" classification: wash hot sores.
2" Zhejiang" : the common folk herbs detumescence hemostasis.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/