1. Alias
Wind medicine, Luan tea.
2. Plant morphology
Evergreen shrubs or small trees, 4-6 meters tall, sometimes up to 12 meters. Twigs brownish gray, hairless. Mutual growth of leaves; The petiole is thick and robust, 2-4 centimeters long, and hairless in old age; The leaves are leathery, elongated elliptical, oblong or inverted elliptical in shape, 9-22 cm long and 3-6.5 cm wide, with a pointed tip and a rounded or broadly wedge-shaped base. The edges have sparse glandular serrations, and the entire edge near the base is shiny. The midrib is fuzzy when young, and both sides are hairless when mature. There is significant variation in leaf shape, and there are needle punctures on the serrations during the seedling stage. Flower bisexual; The inflorescence of the compound umbrella house grows at the top, and the total and peduncles are hairless; The flower stem is 3-5 millimeters long; Flower dense, diameter 6-8 millimeters; Calyx tube cup-shaped, approximately 1 millimeter in length; Sepals 5, broadly triangular, about 1 millimeter long, apex acute; Petals 5, white, nearly circular, diameter 3-4 millimeters: stamens 20, outer ring longer than petals, inner ring shorter than petals, anthers purple; Style 2, sometimes 3, fused at the base, stigma head shaped, ovary apex hairy. Pear fruit is spherical, with a diameter of 5-6 millimeters, red, bright and eye-catching, and later turns brownish purple. One seed, ovate, 2 millimeters long, brown, smooth. The flowering period is from April to May, and the fruiting period is in October.
3. Origin distribution
Born in mixed forests at an altitude of 1000-2500 meters. Distributed in Shaanxi, Gansu, Jiangsu, Anhui, Zhejiang, Jiangxi, Fujian, Taiwan, Henan, Hubei, Hunan, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan and other places.
4. Harvesting and processing
It can be harvested all year round, but it is best to harvest in summer and autumn. After harvesting, it can be dried in the sun.
5. Characteristics of medicinal herbs
This product is in the shape of a long oval or inverted oval, measuring 8-15 centimeters in length and 2-6 centimeters in width; The tip is pointed or protruding, the base is nearly circular or wedge-shaped, the edge has fine serrations, the tooth tip is brown, but the leaf edge has awn serrations when young and on budding branches; Above is brown or brownish green, hairless, with feather like veins and concave midrib. The midrib below is clearly prominent. The leaves are leathery and brittle. Qi is weak and slightly astringent.
6. Sexual Taste Returning to the Classics
Flat in nature, spicy and bitter in taste. Return to the liver meridian and kidney meridian.
7. Effect and Function
Dispelling wind and dampness, relieving itching, strengthening muscles and bones, and benefiting the liver and kidneys. Belonging to the subcategory of wind dampness dispelling drugs, it is a strong muscle and bone dispelling medicine.
8. Clinical application
Oral administration: decoction, 3-10 grams; Or into pills or powder. External use: In moderation, sprinkle or blow on the nose. Indications include rheumatism, rheumatism, headache, rubella, weakness in the feet and knees, kidney deficiency, back pain, impotence, and nocturnal emissions.
9. Pharmacological research
Exciting effects on frog hearts in vitro, in vivo, and rabbit hearts; Inhibit frog heart, constrict rabbit ear blood vessels, and lower blood pressure in anesthetized dogs; It can kill Japanese schistosomiasis cercariae and also kill snails.
10. Chemical composition
This product mainly contains tannins, cherry blossom glycosides, sorbitol, n-alkanes, benzaldehyde, hydrogen cyanide and other ingredients.
11. Usage taboos
Those with yin deficiency and excessive fire are prohibited from taking it. There is a small poison.
12. Compatibility prescription
① Treatment for waist and knee pain: 9g of heather leaves, 9g of Achyranthes bidentata, and 9g of Lonicera japonica, 6g of goji berries, and 12g of dogspine. Boil it in water. (Qingdao Herbal Medicine Handbook)
② Treatment for headache caused by headache: 4.5 grams each of Shinan leaves, Chuanshao, and Baizhi. Boil it in water. (Zhejiang Medicinal Plant Chronicles)
③ Treatment for migraine: 9g of heather leaves, 9g of vitex seeds, and 9g of Ligustrum lucidum, 6g of Angelica dahurica, and 4.5g of Ligusticum chuanxiong. Fry and serve. (Anhui Chinese Herbal Medicine)
④ Treatment for colds and coughs: 9 grams each of heather leaves, Campanulaceae, Aster, and Mulberry bark. Fry and serve. (Anhui Chinese Herbal Medicine)
⑤ Cough, phlegm, and asthma: Grind the powder of heather leaves. Burn the pipe as smoke. (Anhui Chinese Herbal Medicine)
⊙ The content of the article is for clinical reference only. Non TCM professionals are not allowed to test drugs.