Basket Fern (Guanzhong)

Basket Fern (Guanzhong)

Pharmaceutical Name: Rhizome Dryopteris crassirhizomae
Botanical Name: Dryopteris crassirhixoma Nakai
Osmunda japonica Thunb.
Woodwardia unigemmata (Makino) Nakai
Common Name:Dryopteris rhizome
Basket Fern
Source of Earliest Record: Shennong Bencao Jing
art Used & Method for Pharmaceutical Preparations: The rhizomes are dug in winter. After the fibrous roots have been removed, the rhizomes are dried in the sun and cut into slices. The herb can be used either raw or carbonized.
Properties and Taste: Bitter and slightly cold
Meridian: Liver and spleen
Functions: To kill parasites
To clear heat and release toxins
To stop bleeding
Indications and Combinations: 1.     Parasites in the intestines:
a) Hookworm.
*Use with Torrya seed (Feizi) and Areca seed (Binglang).

b) Tapeworm.
*Use with Omphalia (Leiwan) and Areca seed (Binglang).

c) Pinworm.
*Use with Chinaberry bark (Kulianpi) and Carpesium fruit (Heshi).

2. Wind-heat common cold, warm-heat maculopapule and acute parotitis.
*Use with Honeysuckle flower (Jinyinhua), Forsythia fruit (Lianqiao), Isatis leaf (Daqingye) and Isatis root (Banlangen).

3.   Extravasation of blood by heat manifested as vomiting of blood, epistaxis, bloody stool and functional uterine bleeding. 
*Used with Biota tops (Cebaiye), Agrimony (Xianhecao) and Carbonized petiole of windmill palm (Zonglutan).
Dosage: 10-15 g
Cautions: The carbonized herb is used to stop bleeding.