White gun root

[Pinyin] Bái Qiānɡ Gǎn Gēn

[Source]
Medicine-based sources: white gun for the Oleaceae plant roots.
Latin name of plant and animal fossil: Fraxinus malacophylla Hemsl.
Harvesting and storage: autumn, winter excavation, washed, sliced​​, fresh or dried.

[Original form] deciduous trees, about 10m. Bark gray. Buds naked, densely brown hair, brown twig, with vertical edges, sparsely pubescent and hairs, lenticels small, sparsely scattered. Leaves narrow trench axis masks are densely brown hairs; leaflets 9-15 pieces, coriaceous, elliptic to lanceolate elliptic, 3-8cm, width 1.5-4cm, apex acute or obtuse, base cuneate to wide wedge-shaped, leaf margin slightly roll back, densely brown hairs above, densely white pilose below and yellow hair, veins and leaf margins in particular dense, lobular subsessile. Born in panicles year old branches or the upper side leaf axils; bracts linear, 2-3mm; pedicel small, about 3mm, and the bracts are densely covered with yellow hairs; calyx cup, about 1mm, tip cut flat or lobed from wide triangle, micro hair; corolla white, lobes linear, about 3mm; bisexual flowers with stamens 2, out of drugs outside; pistil length 2.5mm, cylindrical clavate, 2 lobed. Samara spoon-shaped, very flat wings, under the middle of the following until nuts. June flowering, the fruit from September to October.

[Habitat distribution]
Environment: distributed in Guangxi, Yunnan.
Resource distribution: Born in limestone mountain secondary forest.

[Character] traits to identify the root and more irregular cross-sections cut, oval-shaped, diameter 2-6cm, thickness 2-3mm. Brown or reddish-brown skin, yellow-white wood heart. Gas micro-, bitter, slightly astringent. To thick-skinned, yellow-white wood heart, bitter Sauvignon preferred.

[Of] bitter taste; cold

【Indications】 heat; diuretic; laxative. Main hot shower; Shilin; heat in constipation

Oral Dosage: Decoction,10-15g, fresh goods doubled; or powder,3-6g.

[Note] "Yunnan Chinese herbal medicine": Chronic Diarrhea, Qi Jifu.

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