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Bartonia paniculata (Michaux) Muhlenberg ssp. paniculata . Screwstem Bartonia. Phen: Aug-Oct; Sep-Oct. Hab: Swamps, bogs, pocosins, pocosin ecotones, sphagnous seepages, sinkhole ponds. Dist: Ssp. paniculata ranges from MA south to c. peninsular FL and west to e. TX, chiefly on the Coastal Plain, but with scattered occurrences inland, to c. VA, e. WV (Vanderhorst et al. 2013), w. NC, KY, and AR.

Origin/Endemic status: Native

Synonymy: = Ar, K1, K3, K4, Va, Drake (2011), Gillett (1959), Mathews et al (2009); = Bartonia paniculata (Michx.) Muhl. – G, NE, Correll (1966); = Bartonia paniculata (Michx.) Muhl. var. paniculata – C, F; >< Bartonia lanceolata Small – S; < Bartonia paniculata (Michx.) Muhl. – Fl5, GW2, Il, Mi, Pa, RAB, Tn, Tx, WH3; < Bartonia paniculata (Michx.) Muhl. ssp. paniculata – NY

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image of plant© Erik Danielson source | Original Image ⭷
image of plant© Alan Cressler: Bartonia paniculata subsp. paniculata, Taylor County, Georgia 1 by Alan Cressler source | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Floyd A. Griffith | Original Image ⭷

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