Bartonia
From Wikipedia, the free encyclopedia
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Bartonia paniculata |
Bartonia is a genus of the Gentian family (Gentianaceae), 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.

