White willow

[ ] B I Li 's Pinyin names and
[ source ]
Medicine source: Salicaceae willow leaves or shoots white.
Latin animal mineral name: Salix alba L.
Harvest and storage: the spring harvest tender branches and leaves or shoots, fresh or dried.
[ ] the original morphology of white willow trees, high, up to 20m. The old bark dark gray, with deep fissures. Leaves lanceolate to linear-lanceolate or lanceolate, long and broad, 5-12 ( - 15 ) cm, width 1-3 ( - 3.5 ) cm; apex acuminate, base cuneate, young leaves, two sides by Bai Juan hairy, glabrescent; petiole ca. 1cm, have white sericeous, stipules lanceolate, margin glandular, glabrescent. Inflorescences and leaves open at the same time, axis densely white villous; staminate inflorescence length 3-5cm, medicine of bright yellow, stamens 2; bracts ovate-lanceolate or obovate-oblong, pale yellow, with ciliate; glands 2, dorsal and ventral students; female inflorescence long 3-4.5cm, ovary egg shape is conical, with short stalked or subsessile, styles short, usually 2 lobed, stigmas 2 crack; bracts entire; glands 1, abdominal, rare 1 undeveloped dorsal gland. Infructescence long 3-5.5cm. Florescence in May 4-5 month, fr..
[ ] habitat distribution
Ecological environment: the growth, can be distributed to the elevation of 3100m.
Resource distribution: located in Gansu, Qinghai, Xinjiang, Tibet and other places.
[ ] leaf chemical composition containing apigenin ( apigenin ), amentoflavone ( amentoflavone ), tung cypress yellow (cupressuflavone), also contains vitamin C and glutathione ( glutathione ).
[ ] the taste of bitter cold;
[ function ] detoxification; Qufeng desiccant. The main acute tonsillitis; sore throat; gland parotitis; jaundice hepatitis; pelvic inflammatory disease; nephritis; it; rheumatoid arthritis; rheumatoid arthritis
[ usage]: orally taken decoction, 9-15g.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/