| 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 | |
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.
Geraniin is an ellagitannin found in G. thunbergii.[1]
- ^ a b Luger, P.; Weber, M.; Kashino, S.; Amakura, Y.; Yoshida, T.; Okuda, T.; Beurskens, G.; Dauter, Z. (1998). "Structure of the Tannin Geraniin Based on Conventional X-ray Data at 295 K and on Synchrotron Data at 293 and 120 K". Acta Crystallographica Section B Structural Science. 54 (5): 687–694. doi:10.1107/S0108768198000081.