Pigweed

Pigweed

(Emei medicine plant)

[synonym] shanjiwei grass and xiaofengwei grass (Guizhou folk medicine).

[source] it is the root, stem and leaf of Pteris angustifolia.

[plant morphology] Pteris stenophylla

Perennial herbs, 20-40 cm high. Rhizome short. Petiole tufted, thin and angular, 3-6 cm long, rice straw color to brown. The leaf is wide triangular, 7-15 cm long and 6-9 cm wide, with two pinnate divisions. The apical segment consists of three pinnules, 2-3 pairs of lateral pinnules. The basal pinnules have short stalks, 2-3 bifurcations, the middle pinnate has one bifurcated or non bifurcated, and the upper pinnate often does not bifurcate. The lobes are linear, 4-6 cm long and 1-2 mm wide, with sharp serrations at the edge except the apex The petioles of the sporangium are long and 2-pinnate. The sporangia are seen on the leaf margin, continuous, but less than the apex of the lobes.

Born in the stone gap beside the road. It is distributed in Guizhou, Sichuan, Guangxi, Hubei, Shaanxi and southern Gansu.

[collection] all year round.

[flavor] cool, bitter and non-toxic.

Functions and indications: clearing heat and dispersing poison. Treatment of dog bite, soup fire injury, knife injury.

Usage: the dosage of tamping and external application.

Avoid taking it orally.

[prescription selection] 1. To treat rabies bite: cut the root and stem of cocktails, add wine to beat down and outsource; use shancocktails, Huagao bark and bayberry bark, dry for two yuan each. Wash the frying water three times a day.

② Treatment of scalded soup: good chicken tail leaves, baking at the end, tea, dip duck feather on the affected area.

③ Treatment of knife wounds: good at chicken tail tender leaves, sour fans, glutinous rice dishes, mash and apply to the affected area, and change the dressing once a day. (the following is Guizhou folk medicine)