Piper

Pinyin name ] [ Dà YèJ ǔ
[ alias ] small wind, wild pepper, pepper.
[ source ]
Medicine medium source: pepper plant whole plant of piper.
Latin animal mineral name: PiperlaetispicumC.DC.
Harvest and storage: summer is collected in autumn, washed clean, fresh or dried.
[ ] the original morphology of Piper woody climbers, up to 10m. Branches glabrous, pale brown when dry. Leaves leathery, with pellucid dots, oblong or ovate-oblong, dilute elliptic, long 12-17cm, wide 4-9cm, apex shortly acuminate, base obliquely cordate, two round and often overlap, glabrous above, below, sparsely pilose, pinnately veined, but base the ministry often has 5obvious palmately veined the1, from the base5-8cm from midrib to send; petiole short, side length 2-5mm, the other side length 6-10mm, pubescent; leaf sheath length2-3mm. Flowers unisexual, dioecious, gather together and leaves opposite spikes, male inflorescences ca.10cm; peduncles long 1-1.5cm, glabrous; inflorescence rachis hairy; bracts broadly obovate, peltate, margin hairy; stamens 2, anthers2 rooms, filaments hypertrophy, ca.1.2mm; female inflorescences and flowers sequence subequal, extending in fruit and thickening; inflorescence rachis densely coarsely hairy; bracts obovate-oblong, above adnate to rachis, only edge separation, peltate, margin hairy; ovary ovoid, stigmas 4, apex mucronate. Berry subglobose, ca.5mm, fruit stalks and fruit subequal. Florescence 8-12 month.
[ ] habitat distribution
Ecological environment : in forests, climbing on trees and rocks.
Resource distribution: distribution in Hainan, Guangdong, Guangxi etc..
[ character ] character differentiation stem cylindrical surface, light brown, with fine longitudinal lines, leaves slightly folded, leathery, leaf blade oblong or ovate-oblong,10-16cm long,3-8cm wide, both sides of the base of oblique, often with overlapping of the two ears, the back of the blade are sparsely villous; petiole short, hairy. Sometimes visible spikes, inflorescence axis with wool. Aroma, taste spicy.
[ ] taste spicy; temperature
[ ] Huoxue Xiaozhong Zhitong functions. The main injuries; blood stasis gall
[ usage]: orally taken decoction,3-10g; or wine.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/