Brief introduction of Pteris in Jiangnan

China distribution: It is produced in the Yangtze River valley and its southern provinces, and reaches Shaanxi (Pingli and Xixiang) and Gansu (Wenxian) in the north, including Jiangsu, Anhui, Zhejiang, Jiangxi, Fujian, Taiwan Province, Hubei, Hunan, Hainan and Guangxi.

Distribution abroad: Malaysia, Bhutan, Myanmar and Vietnam. Naming source: Flora of Hainan.

Flora of China: 6 (2): 2 19

Habitat: most of them are born under forests, tree trunks or rocks beside valleys on hillsides at an altitude of 200- 1800 meters ... on rocks under forests, on old walls or on tree trunks.

Breeding mode: spores

Habits: Most of them are born under forests, on tree trunks or on rocks beside valleys at an altitude of 200- 1800 meters ... They like warm, humid and semi-cloudy environments, and are afraid of strong light and cold, so they are fertile. I need fertile soil and good drainage sulfur pine.

Source: Pteris jiangnanensis, a Polypodiaceae plant, whose whole grass and rhizome are used as medicine.

Picking and storage: it can be harvested, washed and rarely used or dried in all seasons.

Taste: sweet, light, slightly bitter and cool.

Meridian tropism: meridian tropism liver; Spleen; Heart; Lung meridian

Administration and dosage: oral decoction,15-30g; Or mashed juice is externally applied to the affected part. Use with caution for those with deficiency cold.

Medicinal functions: clearing heat and promoting diuresis; Cooling blood and detoxifying. Nephritis and furuncle

Indications: influenza, asthma, bronchitis, jaundice, convulsion, tuberculosis, cough, rheumatoid arthritis, stranguria, urinary calculi, dysentery, leucorrhea, snake bite, nameless swelling, furuncle, carbuncle, traumatic hemorrhage and hot shower; Poor urination; Under the red and white belt; Dysentery; Cough up blood; Bleeding; Hemorrhoid bleeding; Tuberculosis scrofula; Carbuncle swelling and sore poison; Snakebite; Rheumatalgia; Fall and fracture.

Excerpt: National Compilation of Chinese Herbal Medicine.