Bartonia is a genus of the gentian family, tribe Gentianeae, subtribe Swertiinae.[citation needed] Members of this genus are called screwstems. Bartonia was also the name of a genus in the Loasaceae family, but those species are now generally classified under the genus Mentzelia.
| Bartonia | |
|---|---|
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| |
| Bartonia verna | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Gentianaceae |
| Subtribe: | Swertiinae |
| Genus: | Bartonia Muhl. ex Willd. |
As of August 2020[update], Kew's Plants of the World Online accepts three species of Bartonia:[1]
- Bartonia paniculata (Michx.) Muhl.
- Bartonia verna (Michx.) Raf. ex Barton
- Bartonia virginica (L.) Britton, Sterns & Poggenb.
References
edit- ^ "Bartonia Muhl. ex Willd". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 9 August 2020.
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