Bartonia
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 those species are now generally classified under the genus Mentzelia.
| Bartonia | |
|---|---|
| _(6603422259).jpg.webp) | |
| 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, 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
    
- "Bartonia Muhl. ex Willd". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 9 August 2020.
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