The efficacy and function of Pteris thornii

In fact, the occurrence of many human diseases is closely related to diet. If you want to have a healthy body, diet therapy is a very good method. Various Chinese medicinal materials play a very critical role. Today we will introduce to you the Chinese medicine Pteris spiny-toothed fern.

【English name】 all-grass of Disparate Brake

[Alias] Half-flag, Half-flag

[Source] Medicinal material source: the whole herb of Pteris spinulosa of the Pteris family.

[Original form] Terrestrial perennial fern, plant height 30-80cm. The rhizome is short and horizontal, densely covered with brown lanceolate scales. Leaves are herbaceous, densely growing, and dimorphic; the petiole of the vegetative leaves is chestnut to chestnut brown, 8-12cm long, 3-4-ribbed, smooth, with brown linear scales only at the base, and short axes on the rachis and the narrow edges of the raised sides of the rachis; the leaf blade is oblong to oblong-lanceolate, 15-40cm long, 6-15cm wide, caudate at the apex, twice singularly deeply pinnately fissured or twice half-sidedly deeply pinnately fissured; 4-6 pairs of lateral pinnae, petioles are extremely short, pinnae are triangular-lanceolate or triangular, oblique at the base, caudate at the apex, and the pinnae fissures almost reach the rachis, the first pair is the largest, 5-8cm long, 2-3cm wide; lobes are 4-9, oblong or narrowly oblong, and only the top of the vegetative leaves has thorn-pointed serrations; lateral veins are forked, and the veinlets extend into the serrations. The sporophylls are similar to the nutrient leaves but longer, with narrowly ovate leaves; there are 5-7 pairs of lateral pinnae, with the lobes gradually pointed at the tip. The sori are linear, borne on the veins at the margins of the pinnae, with only the apex being sterile; the sori cap is linear, membranous, gray-green, and entire.

[Habitat distribution] Ecological environment: Growing in broad-leaved forests or under sparse forests at an altitude of 400-950m.

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【Nature and flavor】 Bitter; astringent; cool

【Meridian】 Liver; Large Intestine

【Functions and indications】 Clears away heat and detoxifies; removes blood stasis and cools blood. Mainly used for dysentery, diarrhea, mumps, rheumatism, trauma, carbuncle, swelling and poison, and snake bites

[Usage and Dosage] For oral use: decoction, 15-30g. For external use: take appropriate amount and mash it for application.

[Discussions by various scholars] "Xinhua Compendium of Materia Medica": The whole plant tastes bitter and astringent, and is cool in nature. It has the functions of clearing away heat and detoxifying, stopping bleeding and promoting tissue regeneration, removing blood stasis and activating blood circulation. Used for enteritis, dysentery, mumps, rheumatism, sores, snake bites and bruises. People in Guangxi use the roots to stop bleeding. It is said that the effect is similar to Yunnan Baiyao.

【Excerpt】 Chinese Materia Medica

Based on the above summary, the spiny-toothed fern still has certain pharmacological effects. What needs to be noted is that the spiny-toothed fern should be consumed according to one's actual situation and not in excess.