Dashiwei

Dashiwei

(list of traditional Chinese medicine resources in Zhejiang)

[synonym] combed sword (Quanzhou materia medica).

[source] it is the whole plant of Polypodiaceae.

[plant morphology] Dryopteris cristata

Perennial herbs. Rhizome long, transverse, widely creeping, densely branched, ovate lanceolate brown scales. Leaves broadly lanceolate, about 30 cm long, apex acuminate, middle broad, lower acute narrow, extending into wings, entire, slightly undulate, slightly retrovolved, smooth on both sides, herbaceous or thin herbaceous; petioles 15-35 cm long, straw color, articulated on rhizome, upper part. The sporangia are linear and arranged continuously between dorsal veins of leaves.

Born in Linye yanbiyin wetland. It is distributed in Southwest China, Taiwan, Zhejiang, Fujian and other places.

[collection] all year round.

[nature and taste] Quanzhou materia medica: "it tastes sweet and slightly cold. "

[Guijing] Quanzhou materia medica: "into the liver and kidney. "

Functions and indications: clearing lung heat, diuresis, and relieving gonorrhea. For hemoptysis and hematuria.

[usage and dosage] oral administration: decoction, fresh 1-4 Liang.

[selection] 1. To treat lung disease and hemoptysis: 1 to 2 liang of fresh Adiantum cristatum. Fry in water, add a little rock sugar, take twice a day.

② Treatment of urinary bleeding: fresh moment round line fern two to four Liang. Fry less, add a little brown sugar, take twice a day.

③ Cure urination impassable: fresh moment round line fern two to three Liang. Fry in water, add a little rock sugar, take twice a day. (Quanzhou materia medica was selected)