Poplar leaves

[Source] from the "Tang Materia Medica."

[Pinyin] Bái Yánɡ Yè

[Source]
Medicine-based source: dicotyledon herbal plants Salicaceae Populus leaves.
Latin name of plant and animal fossil: Populus davidiana Dode; [P.tremela L.var.davidiana (Dode) Schneid.]
Harvesting and storage: Spring harvest leaves, fresh or dried.

[Original form] trees, 15-30m. Trunk is not straight, skew more female plants, bark white to gray. Buds ovoid, densely white hair, after partial or total loss. Sprouting and long oval leaves, palmately 3-5 lobed, long 4-10cm, Width 3-8m, was at first white hair on both sides, after the top off; short branches and leaves small, long 4-8m, width 2-- 5cm, oval or oval-shaped oval, apex obtuse tip, base width of wedge-shaped or round, smooth above, under the mask of white hair; less than or equal to the leaf petiole, slightly flat side was white hair; sinuate leaf margin with teeth . Male inflorescence length 3-6cm; rachis hairy, bracts membranous, wide oval, the edge of the teeth and long hair; faceplate with short stems; stamens 8-10, anthers purple; female inflorescence length 5-10cm, rachis with hair, pistil with a short handle, style short, stigmas 2, long yellow lobes. Small cone-shaped capsule, two split, glabrous. Flowering from April to May, the fruit of May.

[Habitat distribution]
Environment: Born in 1200-3800m above sea level slopes, ridges and valley areas, often forming pure stands or small area to form mixed with other species.
Resource distribution: distributed in northeast, north, northwest, South, Southwest and Tibet and other places.

Pharmacological effects aspen leaf extract aeruginous sp (Pseudomonas aeruginosa) was significantly inhibited.

[Bitter] taste; cold

【Indications】 Qufeng pain; detoxification convergence sores. Primary caries pain; necrosis; boils.

Topical Dosage: moderate, Jianshui rinse; or pound deposited; or patching.

[Discussion of] each, "outline": dental caries treatment, Jianshui rinse. Mataji necrosis long hair, from which a bone, frequently stir the dressing.

[Excerpt] "Chinese Materia Medica"
http://chinese-herbal-medicines-directory.blogspot.com/