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Home > List > Culture > Medicine

Brown board

Time: 2022-01-27 04:07:30 Author: ChinaWiki.net

Brown board

PetiolusTrachycarpi

Fortune windmill palm petiole

[alias] palm bark, palm bark, palm bark.

[source] Palmae tr achycaarpusfortuneiH.Wendl The petiole of.

[plant morphology] evergreen tree. Stem cylindrical, unbranched. The leaves are clustered, round fan-shaped, leathery, about 70cm long, wrinkled, palmate when developing, deeply split above the middle of the leaves, lobes with main veins and 2-lobed at the apex; the petiole is more than 1m long, hard, convex below or on both sides, prismatic, with thorns at the edge; the leaf sheath embraces the stem, splits into brown fibrous hairs, and ring-shaped nodes can be seen after the sheath falls off. The inflorescence of fleshy panicle is short, drawn from the leaf cluster, with many large sheath like bracts at the lower part; the flowers are small, many, light yellow, unisexual, dioecious; perianth segments are 6, 2-whorled; stamens are 6, filaments are very short; female ovary is 3, base connate. Drupe globose or subreniform, perianth persistent. Seeds 1, oblate or reniform, dark gray or light black. The flowering period is from April to May and the fruiting period is from November to December.

Born in the valley jungle, or cultivated. Distributed in the south of the Yangtze River.

[harvest] from September to October, peel and dry; stir fry charcoal.

[character] the petiole is long and plate-shaped, one end is narrow and thick, the other end is wide and thin, with different sizes. The surface is reddish brown, rough, with longitudinal straight wrinkles; there are obvious protruding fibers on one side, and most brown hairs on both sides of the fibers. It is hard and tough, not easy to break, and its section is fibrous. Odorless, light taste.

[chemical composition] contains tannin and cellulose.

[nature and taste] it is flat in nature, bitter and astringent in taste.

[function indications] astringency and hemostasis. It is used for hematemesis, hematemesis, hematochezia and metrorrhagia.

Brown board


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