Genus Geranium Rank Species | ||
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Similar Geraniaceae, Swertia japonica, Impatiens textorii, Adenophora triphylla var japon, Geranium carolinianum |
Geranium thunbergii (Thunberg's geranium) is a cranesbill species. It is one of the most popular folk medicines and also an official antidiarrheic drug in Japan.

Geraniin is an ellagitannin found in G. thunbergii.
geranium thunbergii



References
Geranium thunbergii Wikipedia(Text) CC BY-SA