Spirodela (Fuping)
Spirodela polyrrhiza (L.) Schield. (Fam. Lemnaceae)
Pharmaceutical Name: Herba spirodelae
Botanical Name: Spirodela polyrrhiza (L.)
Schield. (Fam. Lemnaceae)
Common Name: Spirodela, Duckweed
Source of Earliest Record: Shennong
Bencao Jing.
Part Used & Method for Pharmaceutical
Preparations: The whole plant is gathered in summer, cleaned and dried in
the sun.
Properties & Taste: Pungent and
cold.
Meridians: Lung and urinary bladder.
Functions: 1. To promote sweating and
release the exterior; 2. To bring measles rash to the surface and relieve
itching; 3. To remove water and reduce swelling.
Indications & Combinations:
1. Wind-heat type of exterior syndrome. Spirodela
(Fuping) is used with Mentha (Bohe), Schizonepeta (Jingjie) and Forsythia fruit
(Lianqiao).
2. Measles without full expression of rash. Spirodela
(Fuping) is used with Arctium fruit (Niubangzi), Mentha (Bohe) and Cicada
slough (Chantui).
3. Wind-heat type of incomplete rashes and
itching of the skin. Spirodela (Fuping) is used with Mentha (Bohe) and
Arctium fruit (Niubangzi).
4. Edema and difficult urination accompanied
by exterior syndrome. Spirodela (Fuping) can be mashed and taken alone.
Dosage: 3-10 g, decocted in water for
an oral use; 1–2 g each time if used as powder. Appropriate quantity for
external use.
Cautions & Contraindications: This
herb is contraindicated in cases with weak constitution and spontaneous
sweating.
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