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Hypericum gymnanthum Engelmann & A. Gray. Section: Brathys. Common name: Clasping-leaf St. John's-wort. Phenology: Jun-Sep. Habitat: Pine savannas, wet pine flatwoods, sinkhole ponds (Augusta and Rockingham counties, VA), other wet to moist habitats. Distribution: S. NJ south to ne. FL, Panhandle FL, west to c. TX, and scattered inland in PA, WV, sc. TN, OH, IN, IL, MO, and e. KS; also disjunct in Guatemala (introduced?). Added to the flora of KY in 2013 by Martina Hines (Littlefield 2014).

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, C, F, Fl2, FNA6, G, GW2, Il, K4, Mo2, NcTx, NS, Pa, POWO, RAB, S, S13, Tat, Tn, Tx, Va, WH3, Adams (1973), Robson (2006). Basionym: Hypericum gymnanthum Engelm. & A.Gray 1845

Links to other floras: = Hypericum gymnanthum - FNA6

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Eastern Mountains and Piedmont: OBL
  • Great Plains: FACW
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily ⓘ: 8

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷

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Horticultural Information

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