Hypericum boreale (Britton) E.P. Bicknell. Common name: Dwarf St. John's-wort, Northern St. John's-wort. Phenology: Jul-Sep. Habitat: Sinkhole ponds in the Mountains, interdune ponds in the outer Coastal Plain, boggy places. Distribution: NL (Newfoundland) and QC west to w. ON, south to VA, nw. NC (?), OH, IN, and n. IL.
Origin/Endemic status: Native
Taxonomy Comments: Supposed hybrids with H. canadense have been called H. ×dissimulatum E.P. Bicknell (pro sp.), which we treat as a species.
Synonymy ⓘ: = C, Can, F, FNA6, G, Il, K4, Mi, NE, NS, NY, Pa, POWO, Tat, Va, WV; = Hypericum mutilum L. ssp. boreale (Britton) J.M.Gillett — Robson (2006); = n/a — RAB
Links to other floras: = Hypericum boreale - FNA6
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Eastern Mountains and Piedmont: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ⓘ: 9
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© Gary P. Fleming | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Erik Danielson source | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Erik Danielson source | Original Image ⭷Feedback
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Horticultural Information
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