Geranium thunbergii

Geranium thunbergii (Thunberg's geranium) is a cranesbill species that is commonly known as Japanese geranium or Japanese cranesbill. It is one of the most popular folk medicines and also an official antidiarrheic drug in Japan.^[1] It is called ゲンノショウコ.

Geranium thunbergii
Geranium thunbergii in Mudeungsan mountain, Korea
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Geraniales
Family:	Geraniaceae
Genus:	Geranium
Species:	G. thunbergii
Binomial name
Geranium thunbergii Siebold ex Lindl. & Paxt., 1851

Geranium thunbergii - MHNT

Geraniin is an ellagitannin found in G. thunbergii.^[1]