Materia Medica - Important
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Pharmaceutical Name
 Semen Astragali complanati (Leguminosae)
Botanical Name
 Astragalus complanatus R. Br.
Common Name
 Flatstem milkvetch seed
Source of Earliest Record
 Bencao Yanyi
Part Used & Method for Pharmaceutical Preparations
 The ripe seeds are collected in late autumn or early winter. The seeds are then fried with salt water.
Properties & Taste
 Sweet and warm
Meridians
 Liver and kidney
Functions
 1. To tonify the kidneys and control essence; 2. To nourish the liver and brighten the eyes
Indications & Combinations

1. Deficient kidneys manifested as impotence, seminal emissions, premature ejaculation or leukorrhea. Flattened milkvetch seed (Shayuanzi) is used with Dragon's bone (Longgu), Oyster shell (Muli) and Euryale seed (Qianshi).
2. Blurred vision due to deficiency of liver blood. Flattened milkvetch seed (Shayuanzi) is used with Dadder seed (Tusizi), Chrysanthemum flower (Juhua), Wolfberry fruit (Gouqizi) and Grossy privet fruit (Nuzhenzi).
Dosage
 10-20 g
Cautions & Contraindications
 This herb is contraindicated in cases with deficiency of yin with excessive fire, as well as dysuria.
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