Pteris emeiensis

Pteris emeiensis

(Chinese medicine and plant records)

[synonym] evergreen (Emei medicinal plant) and Shulin (Chinese medicinal plant).

[source] it is the whole plant of Dryopteris emeiensis.

[plant morphology] Pteris emeiensis

Perennial herbs. Rhizome short and obliquely ascending, apex densely covered with small brown ovate scales. The leaf is oblanceolate, 15-25 cm long, 4-7 cm wide, apex acuminate, fine and dense, 3-pinnate compound leaves, most of the first leaflets, dense, alternate, almost sessile, lanceolate, 2-3 cm long, shorter near the base, with downward direction; the second leaflets are 6-12 pairs, ovate elliptic, base gradually narrowed, extending along the middle rib; the last leaflets are mainly composed of two parts Leaflets 2-3 pairs, usually deeply 2-lobed, lobes short linear, less than 1 mm wide, apex acute, entire, with a veinlet, not reaching the top, papery, green, slightly scaly below; sporangia small, round, 1 per lobe, usually located at the end of veins, sporangia covered with round membranous, as wide as lobes, soon falling off.

Born in high mountains. It is distributed in Sichuan, Yunnan and Guizhou.

[function and indications] Chinese medicine Zhi: "clearing away heat. Decoction, treatment of stomach heat. "