Dryopteris huangshanensis

Dryopteris huangshanensis

(records of yam planting in Tianmu, Zhejiang)

[source] it is the rhizome of Dryopteris huangshanica.

[plant morphology] Dryopteris huangshanica, also known as phoenix tail grass.

Perennial herbs. Rhizome erect, thick massive. Leaves clustered, rosette shaped; petioles and rachis densely covered with pale brown lanceolate scales; leaves 50-80 cm long, petioles short; leaves hard, herbaceous; long elliptic, apex acuminate, 2-pinnatifid; pinnae linear long elliptic, apex acute, almost sessile, pinnatifid; lobes contiguous, long linear or narrow oblong, falcate, apex obtuse, serrate, margin almost entire Or serrated. Sporangia are only found in 1 / 3 of the upper part of leaves, usually 2-4 pairs, attached to the upper part of lobes; ascospores are gray, persistent, round kidney shaped and protruding. The spore stage is from August to November.

It grows under the high mountain forest or on the wet rock beside the ditch. It is distributed in Anhui, Zhejiang and other places.

[function indications] Zhejiang Tianmu yam Zhi: "for the treatment of redness, swelling and pain, take one or two of the rhizomes (scaling and hair removal) and decoct them with water and sugar twice a day. "