The efficacy and function of the semicircular cap yin stone fern

Speaking of the semicircular stone fern, we are all familiar with it. The semicircular stone fern is not only edible but also has very high medicinal effects. Eating the semicircular stone fern regularly can play a very good health-preserving and health-care role.

【English name】 Broadscale Humata

[Source] Medicinal material source: The rhizome of the semicircular gypsum of the Drynariaceae family.

【Original morphology】Plant height 12-40cm. The rhizome is horizontal, about 1 cm thick, slightly flattened on both sides, densely covered with light brown fluffy linear lanceolate scales, with an oval base, reddish brown, and shield-shaped. Leaves are distal; petiole 12-14cm long, brown; leaf blade leathery, smooth, broadly ovate-triangular, 18-25cm long, 14-18cm wide, acuminate, base nearly rounded, three times pinnately lobed; pinnae 10-15 pairs, base pair largest, 10-12cm long, about 4cm wide, triangular-lanceolate, apex short and acuminate, base almost equally wide, bipinnate or bipinnately lobed, one time pinnules 10-12 pairs, one on the upper side of the base parallel to the rachis, the lower side oblique, oblong-lanceolate, acute, base asymmetrically cuneate, pinnate or pinnately lobed close to the rachis; the upper side of the base of the last lobe is larger, nearly triangular, with a sharp and slightly upward curved apex, entire or upper edge with an angular shallow fissure; pinnae gradually shorten upwards, lanceolate, twice shallowly pinnately lobed; the last cleft surface is nearly triangular, entire; veins are not obvious. The sori are borne on the upper edge of the terminal lobe, 1-2 in number; the sori cover is semicircular, wider than high, borne on a broad base, separated on both sides, and brown.

[Habitat distribution] Ecological environment: epiphytic on tree trunks in the forest at 1400-1500m.

【Nature and flavor】 Bitter; astringent; cool

【Meridian】 Lung; Liver; Spleen; Kidney

【Functions and indications】 Dispel wind and dampness; disperse blood stasis and dredge meridians. Mainly used for rheumatic pain; cold and fever; acute tonsillitis, tetanus; traumatic injury; fracture; nephritis edema

[Usage and Dosage] For oral use: decocted in water, 9-15g. For external use: take appropriate amount and mash fresh product for application.

[Discussions by various scholars] "Xinhua Compendium of Materia Medica": It has the functions of dispelling wind and relieving spasms, promoting diuresis and eliminating dampness, and connecting bones and tendons. Used for tetanus, tonsillitis, and nephritis; used externally to treat rheumatism, bruises, and fractures.

【Excerpt】 Chinese Materia Medica

This article introduces to us what is the semicircular stone fern. We know that the semicircular stone fern has a very high medicinal effect, but we must remind everyone that the semicircular stone fern is generally not to be eaten indiscriminately, otherwise it will cause serious consequences. I hope everyone will treat it with caution.