The efficacy and function of Dryopteris bicolor

With the development of society and the close international exchanges, most people who study medicine have been seriously influenced by Western medicine, and fewer and fewer people are studying Chinese medicine, which has resulted in less and less understanding of Chinese medicine. Let’s talk about the effects and functions of the Chinese medicine Dryopteris bicolor.

【English name】 Bisset Wood Fern

【Alias】 Two-color ear fern

[Source] Medicinal material source: The rhizome of Dryopsis bicolor, a plant of the Dryopsis family.

【Original morphology】 Plant height 30-50cm. The rhizome is erect, and together with the base of the petiole, is densely covered with dark brown, narrowly lanceolate scales. Leaves are clustered; petiole 15-25cm long, dark straw color, with sparsely smaller scales upward to the rachis and below the pinnae, the scales are bicolor, brown at the base, black or dark brown above, awl-lanceolate, and broadly rounded at the base; leaf blade is thick papery, ovate-lanceolate, 15-25cm long, 10-15cm wide, acuminate at the apex, nearly rounded at the base, and pinnate-lobed three times; pinnae 8-12 pairs, alternate, with short petioles, triangular-lanceolate, 7-8cm long at the base, 3-5cm wide, acuminate at the apex, rounded cuneate at the base, and pinnate-lobed twice; pinnae of the base pinnae are lanceolate, the largest one on the lower side of the base, up to 3cm long, pinnate-lobed, and the rest gradually shorten upward; lobes are narrowly oblong, obtuse at the apex, entire or wavy; lateral veins are pinnate-forked. The sporangium is dorsal to the small vein near the tip; the sori is round and kidney-shaped, brown, with thin edges and often reflexed upwards.

[Habitat distribution] Ecological environment: Growing under valley forests or beside streams at an altitude of 600-1400m.

【Chemical composition】 The rhizome contains chlorotridentate Bp. PP (margaspidinBP. PP), margaspidic acid, white tridentate, and yellow tridentate.

【Nature and flavor】 Bitter; Cold

【Meridian】 Lung meridian

【Functions and indications】 Clears away heat and detoxifies. Mainly used to prevent influenza.

[Usage and Dosage] For oral use: decoct 5-15g.

[Discussions by various scholars] "Xinhua Compendium of Materia Medica": Rhizome: has the function of clearing away heat and detoxifying. Used to prevent influenza.

【Excerpt】 Chinese Materia Medica

Although the two-color hair fern has many magical effects, it cannot be eaten casually. We need to use the medicine according to the user's own situation. I hope everyone will not take it indiscriminately to avoid unnecessary consequences.