| Knoxia | |
|---|---|
| Knoxia hookeriana | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Subfamily: | Rubioideae |
| Tribe: | Knoxieae |
| Genus: |
Knoxia L. |
| Type species | |
|
Knoxia zeylanica L. |
|
| Synonyms | |
Knoxia is a genus of flowering plants in the Rubiaceae family. The genus is known to be a rich source of anthraquinones.