The efficacy and function of rock fern

As a traditional Chinese medicine, rock fern provides us with a variety of nutrients. It can also solve some diseases encountered by the body, so it is deeply loved by people. Let’s take a look at the nutrients and benefits of the rock fern.

[Other names] Phoenix grass, rough golden chicken tail, Chujian grass

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

[Original form] A small terrestrial fern with a plant height of 15-30cm. The rhizome is short and horizontal, densely covered with brown-black diamond-shaped scales. Leaves are papery or thinly leathery, densely grown, of one type; petiole 8-16cm long, straw-colored, brown at base; leaf blade ovate or ovate-triangular, 7-20cm long, 4-7cm wide, odd-numbered and pinnately divided; pinnae 3-5 pairs, pre-pinnae are the largest, with short petioles, 5-9cm long, 1.5-2.5cm wide, glabrous, lateral pinnae are shorter, sessile, upwardly curved and gradually pointed, with triangular dense serrations on the margins of upper nutrient leaves; venation pinnate, lateral veins simple or forked. The sori are linear and borne on the marginal veins of the pinnae; the sori cap is linear, membranous, grayish white, and entire.

[Habitat distribution] Ecological environment: Grown on shaded and dry calcareous soil or limestone at an altitude of 600-1200m.

【Nature and flavor】 sweet; bitter; cool; non-toxic

【Meridian】 Large intestine; Lung; Liver meridian

【Functions and indications】 Clears away heat and dampness; astringes the lungs and relieves cough; calms the nerves; detoxifies. It is mainly used for diarrhea, dysentery, stranguria, chronic cough, infantile convulsions, boils, snake and insect bites.

[Usage and Dosage] For oral use: decocted in water, 9-15g.

【Excerpt】 Chinese Materia Medica

It can be seen that the medicinal value of the rock fern is still very obvious. However, not everyone can use the rock fern. We can judge based on our own physical condition.