Bidens pilosa L

[ ] B I Hu 's Pinyin name is a Gu Zh n C O transactions
[ alias ] gold silver, Calendula silver basin, cecal grass
[ source ]
Medicine source: Asteraceae Bidens pilosa L entire grass.
Latin animal mineral name: Bidens pilosa L.var . Radiata Sch.-Bip. [B. Pilosa L.var . Albiflora Maxim. B.pilosa; L.var . Minor ( Bl. ) Scherff]
Harvest and storage: summer and autumn harvest, cut and dried.
[ ] the original morphology of Bidens pilosa L erect annual herb, high 30-100cm. Stems obtusely four prismatic, glabrous or distally is extremely sparse pubescence. Lower stem leaves smaller, 3 crack or split, usually before blossom withered; middle leaves with long 1.5-5cm wingless handle, three; leaflets usually 3, rarely with 5 ( - 7 ) leaflets pinnately compound leaves, two leaflets elliptic or ovate-elliptic, length 2-4.5cm, width 1.5-2.5cm, apex acute is pointed, base subrounded or broadly cuneate, sometimes oblique, not thin, margin serrate, terminal leaflet is Lei, oblong or ovate-oblong, long 3.5-7cm, apex acuminate, base attenuate or suborbicular, with long 1-2cm handle, jagged edge, upper leaves smaller, 3 crack or not to split, strip lanceolate. Head debate inflorescences are long 1-6 ( fruit length 3-10 ) cm pedunculate; involucral bract 7-8, strip spatulate, outer blades lanceolate, inner strip lanceolate; flower 5-7 gold, tongue elliptic-obovate, white, long 5-8mm, 3.5-5mm wide, apex obtuse or notched disc; spendthrift-shaped, 4.5mm long, limb 5 tooth crack. Achenes black, bar, long 7-13mm, apex prick 3-4, long 1.5-2.5mm, barbed hairs.
[ ] habitat distribution
Ecological environment: born near the village, roadside and pro.
Resource distribution: distribution in the East, South, southwest and Tibet.
[ character ] character identification drying herbs in a strip. Stems obtusely four prism. Lower leaves 3 crack or split; middle leaves petiolate, three, flocculus 3, elliptic or ovate-elliptic, apex acute, base subrounded or broadly cuneate, asymmetric, margin with sawtooth. Capitate margin with a 5-7 ring, tongue elliptic-obovate, length 5-8mm, width 3-5mm, yellow-white, apex obtuse or has a notch. Gas, slightly bitter taste.
[ ] taste sweet; bitter; flat
[ ] functions of clearing away heat and toxic material; and dampness-resolving. The main cold and fever; rheumatism; damp-heat jaundice; carbuncle swollen sore furuncle.
[ usage]: orally taken decoction, 15-30g.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/