Sichuan Yunnan Alder

[ ] Chu. N Di Pinyin name is a n Q M
[ alias ] the Alder
[ source ]
Medicine source: as the Betulaceae Alnus in Sichuan and Yunnan tender stem and leaf or bark.
Latin animal mineral name: Alnusferdinandi-coburgiiSchneid.
Harvest and storage: summer, autumn harvest tender branches and leaves, or stripping bark, fresh or dried.
[ ] the original morphology of trees, as high as 20m. Bark dark gray. Bud shank, bud scales 2. Young shoots densely yellow tomentose, fall off gradually after; branchlets angulate, micro hair. Leaves alternate, petiole length 1-2cm; leaf blade broadly elliptic, oblong or obovate, long 5-14cm, apex blunt, base cuneate or rounded, midvein concave above, below and along midvein, lateral veins in vein axils are Trichophyton or slightly hairy, densely covered with resin, lateral veins of 12-17 with small, coarsely serrate tip. Flowers unisexual, monoecious, catkin catkin shaped, single student leaf axils, ptosis. Infructescences axillary branchlets single students or near base, oblong, long 1.5-2.5cm, long 1-2.5cm infructescence, hairy; nutlets oblong, narrow wings.
[ ] habitat distribution
Ecological environment : in an elevation of 1800-2500m stream, hardwood forests.
Resource distribution: distribution of Sichuan, Guizhou, Yunnan and other places.
[ ] taste bitter astringent; cool;
[ function ] Liangxue detoxification. The main hematemesis; epistaxis; diarrhea; diarrhea; sore
[ usage]: orally taken decoction, 10-15g. External: fresh goods amount, trace and apply.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/