Centipede flag root

Centipede flag root

(records of yam planting in Tianmu, Zhejiang)

[source] it is the rhizome of rock fern.

[plant morphology] Pteris auriculata

Perennial herbs, 15-35 cm high. Rhizome short and erect, densely scaly. The petioles are 5-10 cm long, reddish brown, jointed, with hairs and scales on petioles and rachis, and the scales are light brown and lanceolate. Leaf blade narrowly lanceolate to linear, 10-25 cm long, 2-4 cm wide, pinnately divided; pinnae oblong lanceolate, often falcate curved, 1-2.5 cm long, 3-7 mm wide, apex obtuse, base obliquely modular, upper auricular, sessile, entire. The sporangium group is round, with a row near the edge of the feather; the sporangium group is bowl shaped, irregularly lobed; the sporangium is spherical, with a thin stalk.

On the wet rocks by the ditch. It is distributed in Zhejiang, Jiangxi, Hubei, Shandong, Henan, Shanxi, Hebei, Liaoning, Jilin and Taiwan.

[functions and indications] Zhejiang Tianmu yam Zhi: "for treating tendon injury, mash fresh centipede flag rhizome and snake grape root, add distiller's grains or yellow rice wine to make cake, heat, and wrap the wound. Change it once or twice a day. "