| Bartonia | |
|---|---|
| Bartonia verna | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Gentianales |
| Family: | Gentianaceae |
| Genus: |
Bartonia Muhl. ex Willd. |
| Species | |
|
Bartonia paniculata |
|
Bartonia paniculata
Bartonia texana
Bartonia verna
Bartonia virginica
Bartonia is a genus of the gentian family, tribe Gentianeae, subtribe Swertiinae. Members of this genus are called screwstems. Bartonia was also the name of a genus in the Loasaceae family, but all of those "Bartonia" species are now generally classified under the genus Mentzelia.