Introduction of Zong Lv Tan:Carbonized Windmillpalm Petiole or Petiolus Trachycarpi Carbonisatus.

TCM Herbalism:Medicinals and Classifications. ✵The article gives records of the herb Carbonized Windmillpalm Petiole, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Trachycarpus fortunei (Hook.) H.Wendl., with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species, the features of the herb Carbonized Windmillpalm Petiole, its pharmacological actions, medicinal efficacy, and administration guide.

Petiolus Trachycarpi Carbonisatus(Carbonized Windmillpalm Petiole).

dried dark blackish herbs of Petiolus Trachycarpi Carbonisatus Pin Yin Name: Zōnɡ Lǘ Tàn.
 English Name: Carbonized Windmillpalm Petiole.
 Latin Name: Petiolus Trachycarpi Carbonisatus.
 Property and flavor: neutral in nature, bitter, puckery.

 Brief introduction: The herb Petiolus Trachycarpi Carbonisatus is the carbonized petiole of Trachycarpus fortunei (Hook.) H.Wendl., used as an astringent hemostatic for treating hematemesis, epistaxis, hematochezia, and menorrhagia. The herb is commonly known as Petiolus Trachycarpi Carbonisatus, Carbonized Windmillpalm Petiole, Zōnɡ Lǘ Tàn.

 Botanical source: Common herbal classics and other famous herbal classics defined the herb Petiolus Trachycarpi Carbonisatus (Carbonized Windmillpalm Petiole) as the carbonized petiole of the species (1).Trachycarpus fortunei (Hook.) H.Wendl. It is a plant of the Trachycarpus genus, the Palmae family (Arecaceae family) of the Principes order. This commonly used species is introduced:

(1).Trachycarpus fortunei (Hook.) H.Wendl.

 several trees of Trachycarpus fortunei H.Wendl. with green leaves grow in a field Botanical description: Trachycarpus fortunei (Hook.) H.Wendl is also known as Chaemaerops forteunei Hook., the tree is commonly known as Zōnɡ Lǘ. An evergreen tree, it grows up to 3~10 meters tall or higher, the stem and trunk are cylindrical, stout, and upright, unbranched, about 20 cm in diameter, residual brown fibrous old leaf sheath wraps on the stem in layers, forming ring-like nodes after it falls off.

 Leaves are tufty and grow apically on the tip of the stem, explanate outward; petioles are firm and hard, about 1 meter long, the transverse section is subtriangular (nearly triangular), the edge has small teeth, the base has a brown fibrous leaf sheath, new petioles are upright, old petioles are often pendulous; leaf blades are cuneate fan-shaped, 60~100 cm in diameter, have many folds, palmately split to the middle part; they have 30–50 lobes, apex of the lobe is shallowly 2-lobed (dichotonous) again, the upper surface is green, the under surface has wax powder, coriaceous.

 Spadix, are stout, many-branched, and exsert from apical leaf axils, the base has many big sheathed bracts, is primrose yellow (pale yellow), and has fluff. The plant is usually dioecious. The male inflorescence is small, many, pale yellow, with 6 perianth, in 2 whorls, broad-ovate, and 6 stamens, filaments are short, separate; the perianth of the female flower is the same as the male flower, the ovary is superior, densely covered with white fluff, style is 3-lobed.

 Drupes (drupe fruits) are globular (spheric shape) or subreniform, about 1 cm in diameter, the epicarp (exocarp) is stone blue (cadet blue), covered with wax powder. Its flowering period is from April to May, and the fruiting period is from October to December.

 two trees of Trachycarpus fortunei H.Wendl.grow in field Ecological Environment: The tree is cultivated everywhere, rare wild in the thin forest, the upper limit altitude is about 2,000 meters; Although it can be cultivated in the northern area of the Yangtze River, its stem should be covered with grass in winter. Vertical distribution is at altitudes of 300~1,500 meters, up to 2,700 meters in the southwest.

 Palm is widely distributed in China: from the middle north to the Zhujiang river area, southwest in the south, to the border of Xizang in the west, and east. From the Yangtze River to the sea, along the upper reaches of the Yangtze River on both sides of the 500 km wide area distribution. It is also distributed in the southern area of the Yellow River. Usually only cultivated on the four sides, it is rarely wild in the thin forest, altitude upper limit is about 2,000 meters; Although it can be cultivated in the northern area of the Yangtze River, its stem must be covered with grass in winter.

 Growth characteristics: The Trachycarpus fortunei prefers a warm and humid climate, is not resistant to cold, and prefers fertilizer and shade, better to choose a field with good drainage, deep soil layer loam, or sandy loam for cultivation, should not be planted in dry, barren soil.

 dark black brownish herbs of Carbonized Windmillpalm Petiole Characters of herbs: The herb is a long plate, one end is narrower and thicker, and the other end is wider and thinner, different in size. The surface is reddish-brown, rough, and has vertical wrinkles; There are prominent protruding fibers on one side and many brown hairs on both sides of the fibers. The texture of the herb is hard, not easy to break, the fracture surface is fibrous. The herb is odorless, it has a mild taste.

 Medicinal efficacy: Inducing astringency or collecting, hemostasis (stanch bleeding). It is indicated for hememesis (spitting blood), epistaxis (nose bleeding or bleeding from five aperture or subcutaneous tissue), hematuria (blood in urine), hemafecia (pass blood in stool), uterine bleeding, bloody stranguria (stranguria complicated by hematuria), dysentery, morbid leukorrhea, incised (metal-inflicted) wound, scabies, bleeding wound.

 Administration of Petiolus Trachycarpi Carbonisatus (Zōnɡ Lǘ Tàn): 
Reference: Administration Guide of Petiolus Trachycarpi Carbonisatus (Zōnɡ Lǘ Tàn)
TCM Books: ①.Internally:3~9 grams, use prepared herb; ②.Internally:water decoction, 3~5 qian (about 9~15 grams), prepare to finely ground herb powder, 1~2 qian (about 3~6 grams). Externally:prepare to ground herb powder and sprinkle; ③.Internally:water decoction, 10~15 grams. Externally:proper amount, prepare to finely ground herb powder, apply stick.




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