| Knowltonia | |
|---|---|
| Knowltonia vesicatoria | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| Order: | Ranunculales |
| Family: | Ranunculaceae |
| Genus: |
Knowltonia Salisb. |
Knowltonia is a genus of the family Ranunculaceae. There are eight species native to South Africa. The juice from the stem of many of the species in the genus is a powerful vesicant.