Flora of the Southeastern United States
2022 Edition

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HYPERICACEAE

Hypericum virgatum Lamarck. Strict St. John’s-wort. Phen: Late Jun-Sep. Hab: Hardpan woodlands, rock outcrops, woodland borders, glades and barrens (especially over mafic or ultramafic rocks). Dist: MD west to s. OH, s. IN, and s. IL, south to c. NC, c. SC, sw. GA, Panhandle FL, s. MS, and se. LA.

Origin/Endemic status: Endemic

Syn: = Ar, FNA6, K1, K3, K4, Tn, Va, Allison (2011); = Hypericum denticulatum ssp. acutifolium – Robson (1985, 1990, 2001, 2002, 2006); < Hypericum acutifolium – S, (also see H. harperi); < Hypericum denticulatum – GW2, Il, WH3; < Hypericum denticulatum var. acutifolium – C, F, G, RAB, W, Adams (1973), (also see H. harperi); > Hypericum denticulatum var. recognitum – F, RAB, WV

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image of plant© Joey Shaw
image of plant© Bruce A. Sorrie
image of plant© Joey Shaw
image of plant© Gary P. Fleming
image of plant© Joey Shaw