White chestnut root

 [Pinyin] Bái Zhū Lì Gēn

[Source]
Medicine-based source: Fagaceae Castanopsis mountain roots or bark.
Latin name of plant and animal fossil: Castanopsis delavayi Franch.
Harvesting and storage: The root can be taken throughout the year, bark spring, summer, autumn stripping, are dried.

[Original form] evergreen trees, 20-25m. Bark dark gray or brown, longitudinal. Young branches glabrous, sometimes with pink and white scales husks. Leaves alternate; petiole length 1.5-2.5cm; hard leathery leaves, ovate or obovate-elliptic, 5-13cm, width 3.5-9cm, apex obtuse or mucronulate, base broadly cuneate or nearly round, more than the middle sparsely serrated or wavy teeth, hairless, yellow-brown scales below childhood was blighted, old silver or gray when close to the wax layer of leaves in the veins protruding slightly above, lateral veins 6-9 pairs, spur more obvious. Flowers unisexual, male inflorescence often has a cone-shaped, dense brown scales blighted axis; female flowers within a single flower bud was born. If sequence length 8-15cm, with 1 fruit per cupule; cupule wide oval to nearly spherical, often short-throw, top broken, pierced diameter of 1.5-2cm, high 1.2-1.8cm, when the two cooked crack, thorn often generate 3-5 base with barbed ring, thorn length 3-6mm, dilute up to 1cm, the shell wall can be seen fighting; nuts ovate to spherical, diameter of 1-1.5m, high 1-1.4m, the top is attached, and hair thinning , if less than the nuts at the bottom of the navel. Flowering from April to May, the fruit of the following year from September to November.

[Habitat distribution]
Environment: 500-2800m above sea level was born of mixed forest or in the weed.
Resource distribution: distributed in Guangxi (south-west), Sichuan (South), Guizhou (southwestern), Yunnan (South) and other places.

[Taste] Xin; astringent; bitter; natured

【Indications】 convergence diarrhea. Main enteritis; diarrhea

Dosage Oral: Jian Tang,30-60g.

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