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Hypericaceae
Hypericum

not marked as a favorite taxon 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.

Glossary (beta!)

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. Basionym: Hypericum canadense L. var. boreale Britton 1891

Links to other floras: = Hypericum boreale - FNA6

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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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image #1 of Hypericum boreale© Gary P. Fleming | Original Image ⭷
image #2 of Hypericum borealeno rights reserved, uploaded by Reuven Martin source CC0 | Original Image ⭷
image #3 of Hypericum boreale© Gary P. Fleming | Original Image ⭷
image #4 of Hypericum boreale© aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar source CC-BY | Original Image ⭷
image #5 of Hypericum boreale© Erik Danielson source | Original Image ⭷
image #6 of Hypericum borealeno rights reserved, uploaded by Reuven Martin source CC0 | Original Image ⭷
image #7 of Hypericum borealeno rights reserved, uploaded by Reuven Martin source CC0 | Original Image ⭷
image #8 of Hypericum boreale© Quinten Wiegersma, some rights reserved (CC BY), uploaded by Quinten Wiegersma source CC-BY | Original Image ⭷
image #9 of Hypericum boreale© Gary P. Fleming | Original Image ⭷
image #10 of Hypericum boreale© Erik Danielson source | Original Image ⭷
image #11 of Hypericum boreale© Gary P. Fleming | Original Image ⭷

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Horticultural Information

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