fern

fern

(common folk herbs in Kunming)

[synonym] dragon claw and sawn vegetables.

[source] it is the rhizome of pteridiaceae.

Pteridium aquilinum

Herbs perennial, ca. 1 m tall. Rhizome oblique, covered with light brown to brown short scaly hairs, partly exfoliated when old. Petiole slightly brown with 1.5-24 mm long hairs, basal part slightly brown. The leaves are 2-3 pinnate compound leaves, leathery, with broad ovate to triangular outline; the upper end of the leaf axis and the feather axis are covered with scales; the pinnae are alternate, narrow ovate long triangle, 9-18 cm long; the pinnules are alternate, linear lanceolate, about 4 cm long; the last pinnae are opposite, narrow triangular or ovate triangle, slightly curved; the upper part is grass green, slightly glossy, the lower part is gray green and brown, Densely covered with white fluff. The tunic sacs are brown, growing along the edge of the last pinna.

It grows in grass and roadside on hillside. It is distributed in Yunnan.

[collection] harvest in autumn and winter, wash and cut into sections to dry.

[flavor] slightly astringent, flat.

[function indications] detoxification.

[usage and dosage] oral: decoction, 3-5 yuan. External use: tamping.

Chinese PinYin : Jue Cai