Stephania japonica

Stephania japonica, S. hernandifolia

plant member of the family Menispermaceae; contains an unidentified toxin which causes incoordination, recumbency, convulsions, paralysis.
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ericifolia (oil from these leaves has been used for dental and medical preparations), a subspecies of Stephania japonica (used in several cultures for its antispasmodic and astringent action), a rare species of Coprosma (inopinata) that was only discovered on the mountain ridges in 1990, and Chionanthus quadristamineus (blue plum), with its large blue fruit.
As a part of our ongoing investigations on local medicinal plants of Bangladesh [17] in this paper, we reported antioxidant, analgesic and toxic potentiality of the leaves of Stephania japonica.
Table 1: Result of chemical group tests of the methanol extract of Stephania japonica leaf.
Tetrandrine, an alkaloid found in Stephania japonica, has anti-inflammatory activity.
For instance, the leaf of Stephania japonica was used to treat ailments like cardiovascular disorders, diarrhea in children, and edema, while a combination of leaf and flower of the same plant was used for treatment of bone fracture or debility.