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Bartonia paniculata (Michaux) Muhlenberg ssp. iodandra (B.L. Robinson) J.M. Gillett. Purple Screwstem. Phen: Aug-Sep; Sep-Oct. Hab: Wet, peaty hollows, sphagnous bogs, peaty turf, and damp lake shores in sandy soil. Dist: Newfoundland south to Long Island, NY, and perhaps NJ.

Origin/Endemic status: Native

Synonymy: = K3, K4, Gillett (1959), Mathews et al (2009); = Bartonia iodandra B.L.Rob. – G, NE; = Bartonia paniculata (Michx.) Muhl. var. iodandra (B.L.Rob.) Fernald – C; < Bartonia paniculata (Michx.) Muhl. ssp. paniculata – NY; > Bartonia paniculata (Michx.) Muhl. var. intermedia Fernald – F; > Bartonia paniculata (Michx.) Muhl. var. iodandra (B.L.Rob.) Fernald – F; > Bartonia paniculata (Michx.) Muhl. var. sabulonensis (Fernald) Fernald – F

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image of plant© Bonnie Semmling, some rights reserved (CC BY), uploaded by Bonnie Semmling source CC-BY | Original Image ⭷ Warning: was NOT research grade.
image of plant© Bonnie Semmling, some rights reserved (CC BY), uploaded by Bonnie Semmling source CC-BY | Original Image ⭷ Warning: was NOT research grade.

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