Dryopteris crassipes

Dryopteris crassipes

(Lu Chuan Ben Cao)

[synonyms] Dichondra latifolia (flora of China), Dichondra repens and anemone (flora of Hunan), Dichondra repens and Aconitum carmichaeli (flora of Guangxi).

[source] it is the rhizome of alternantheraceae.

[plant morphology] Alternanthera fukiensis

Perennial herbs, more than 1.5 m high. Rhizome massive, erect, with thick cylindrical roots clustered below. 2-pinnate compound leaves; petiole stout, succulent, length about 50 cm; leaf blade broadly ovate, length and width more than 60 cm; pinnae 5-7 pairs, alternate, narrowly oblong, length 50-60 cm, width 14-18 cm; pinnules flat, upper part slightly oblique, middle pinnules lanceolate, length 7-9 cm, width 1-1.7 cm, apex acuminate, base truncate or several round, top upward The leaves are leathery, smooth on both sides, veins generally bifurcate, without retrograde pseudoveins; the ventral part of the leaf axis is longitudinally grooved, with narrow wings toward the top. The sporangia are brown, oblong, about 1 mm long, 0.5-1 mm from the leaf margin, close to each other, and consist of 8-10 sporangia.

Under the forest and by the stream. Distributed in Fujian, Hubei, Hunan, Guizhou, Guangdong, Guangxi and other places.

[collection] harvest in summer and autumn.

[nature and taste] Lu Chuan Ben Cao: "bitter, cold. "

Functions and indications: dispelling wind, clearing heat and detoxifying. Treatment of wind heat, cough, rash, carbuncle swelling, sore poison, snake bite, functional uterine bleeding.

① "Lu Chuan Materia Medica": "cool and detoxify. Treat carbuncle, furuncle and swelling. "

② "Expelling wind and detoxification" is the key point in Hunan medical records. "

③ "For rheumatism, bone pain, hot cough and mumps. "

[usage and dosage] oral administration: decoct soup, 3-5 yuan; or grind powder. External use: tamping.

[selection] 1. For the treatment of restlessness: water decoction of Dryopteris crassifolia, red cinnabar. (Hunan medical records)

② Treatment of snake bite: mash and apply with horseshoe fern. (Hunan medical records)

③ Treatment: mash and apply the water chestnut fern.

④ Treatment of functional uterine bleeding: Horseshoe fern research end, with warm water to take a money, three times a day.

⑤ Treatment of traumatic bleeding: Horseshoe fern grind powder, sprinkle the affected area, bandage. (3) herbal medicine manual of Jiangxi Province