Introduction of Pi Pa Ye:Folium Eriobotryae or Loquat Leaf.
✵The article gives records of the herb Loquat Leaf, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Eriobotrya japonica(Thunb.)Lindl., with a detailed introduction to the botanical features of this plant, the growth characteristics, and ecological environment of this plant, the features of the herb Loquat Leaf, its pharmacological actions, medicinal efficacy, and administration guide.
Folium Eriobotryae(Loquat Leaf).
Pin Yin Name: Pí Pá Yè.
English Name: Loquat Leaf.
Latin Name: Folium Eriobotryae.
Property and flavor: slight cold, bitter.
Brief introduction: The herb Folium Eriobotryae is the dried leaf of Eriobotrya japonica(Thunb.)Lindl.(family Rosaceae), used (1).to clear the lung and resolve phlegm for arresting coughing in cases of lung heat, and (2).to arrest vomiting due to stomach heat. The herb is commonly known as Folium Eriobotryae, Loquat Leaf, Pí Pá Yè.
Botanical source: The herb Folium Eriobotryae(Loquat Leaf) is the dried leaf of Eriobotrya japonica(Thunb.) Lindl., it is a plant of the Eriobotrya Lindl. Genus, the Rosaceae family of the Rosales order. It is also known as Loquat Leaf or Pí Pá Yè.
Common official herbal classics and other famous herbal classics defined the herb Folium Eriobotryae(Loquat Leaf) as the dried leaf of:(1). Eriobotrya japonica(Thunb.) Lindl. This commonly used species is introduced as:
Botanical description: It is also known as the loquat tree. Small evergreen trees, 10 meters tall. Branchlets stout, tawny, densely rusted or gray-brown tomentose. Leaf leather; Petiole short or nearly sessile, 6~10 mm long, grayish-brown tomentose; Stipules subulate, hairy; Leaf blade lanceolate, oblanceolate, obovate or oblong, 12~30 cm long, 3~9 cm wide, apex acute or acuminate, base cuneate or acuminate into petiole, upper margin sparsely serrate, upper margin bright and wrinkled, lower and leaf veins densely grayish-brown tomentose, lateral veins 11~21 pairs, panicle terminal, pedicels and pedicels densely rusted tomentose; Flower diameter 1.2~2 cm; Calyx tube shallow cup-shaped, sepals triangular-ovate, outside with rust-colored villi; Petals white, oblong or ovate, 5~9 mm long, 4~6 mm wide, base clawed, rust-colored tomentose; 20 stamens, 5 styles, free, stigma capitate, glabrous. Fruit globose or oblong, 3~5 cm in diameter, yellow or orange; 1~5 seeds, globose or oblate, 1~1.5 cm in diameter, brown, glossy, seed coat papery. Its flowering period is from October to December, fruiting from May to June of the following year.
Ecological environment: The tree is usually planted at the edge of the village, flat ground, or slope. Resources distribution: the plant mainly distributes in the upper reaches area of the Yellow River, the lower reaches area of the Yangtze River, southwest, the central and south areas of China, and other areas.
Growth characteristics: The tree is often planted on the edge of a village, flat or sloping land.
Characters of herbs: The leaves are oblong or obovate, 12-30 cm long and 3-9 cm wide. The apex is pointed, the base is cuneate, the upper edge is sparsely serrate, and the base is whole edge. The upper surface is grayish green, yellowish brown or reddish brown, shiny, and the under surface is grayish green or brownish green, densely covered with yellow fuzz. The main veins are prominent on the under surface, and the lateral veins are pinnate. The petiole is extremely short, covered with brown hairs. The texture of the leaf is leathery and fragile, easily broken. The herb has a slight smell, slightly bitter taste. The herb which is complete and gray-green is better.
Pharmacological actions: ①.effect of relieving cough; ②.relieving asthma; ③.removing phlegm slightly; ④.inhibitory effect on Staphylococcus aureus in vitro; ⑤.hypoglycemic action; ⑥.anticancer effects.
Medicinal efficacy: Clear lung and harmonizing stomach, downbear Qi(sending down abnormally ascending) and reduce phlegm, indicated for the treatment of lung heat and sputum cough, cough blood, hemorrhinia, heat in stomach and vomiting.
Administration of Folium Eriobotryae(Pí Pá Yè):
Administration Guide of Folium Eriobotryae(Pí Pá Yè)
①.Internally:6~9 grams; ②.1.5~3 qian(about 4.5~9 grams,fresh herb 0.5~1 liang,about 15~30 grams); ③.9~15 grams,big dosage could be up to 30 grams,fresh herb 15~30 grams;prepare to paste, grinded to fine powder and prepared to pill, powder.
Introduction: Antitussives herbs: an agent or substance herbs that stops coughing.
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1.Introduction of Pi Pa Ye:Folium Eriobotryae or Loquat Leaf.