Hypericum boreale

Hypericum boreale
Scientific classification
Kingdom:Plantae
Clade:Angiosperms
Clade:Eudicots
Clade:Rosids
Order:Malpighiales
Family:Hypericaceae
Genus:Hypericum
Section:Hypericum sect. Trigynobrathys
Species: H. boreale
Binomial name
Hypericum boreale
(Britton) E.P.Bicknell[1]
Synonyms[2]
  • Hypericum mutilum ssp. boreale[3]
  • Hypericum canadense var. boreale[4]
  • Sarotha borealis[5]

Hypericum boreale, also known as northern St. John's-wort, is a two- to three-year perennial[6] in the family Hypericaceae, and the section Trigynobrathys.[7]

Habitat and distribution

The species is most often found in and around lakes and ponds, swamps, and the edges of wetlands. They are located in the southeast region of Canada, across the New England States, and across the Midwest.[8][9][10]

Description

The species's leaves are elliptic-rounded.[11] Its flowers are five-petaled and yellow,[12] bloom from July to September and bear fruit from August to September.[13] It grows 10 to 40 centimeters (3.9 to 15.7 in) tall.[14]

References

  1. ↑ "Hypericum boreale". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved February 4, 2016.
  2. ↑ "Hypericum boreale". Tropicos. Missouri Botanical Gardens. Retrieved February 8, 2016 – via The Plant List.
  3. ↑ "Hypericum boreale". Native Plant Database. Lady Bird Johnson Wildflower Center, University of Texas at Austin. Retrieved February 4, 2016.
  4. ↑ "Hypericum boreale". Integrated Taxonomic Information System. Retrieved February 8, 2016.
  5. ↑ "Hypericum boreale". Tropicos. Missouri Botanical Garden. Retrieved February 10, 2016.
  6. ↑ Discover Life Retrieved February 10, 2016
  7. ↑ Chayka, Katy; Dziuk, Peter (2016). "Hypericum boreale". Minnesota Wildflowers. Retrieved February 4, 2016.
  8. ↑ "Hypericum boreale". Go Botany. New England Wildflower Society. Retrieved February 4, 2016.
  9. ↑ Explorer NatureServe Retrieved February 8, 2016
  10. ↑ "Hypericum boreale". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  11. ↑ Michigan Flora Retrieved February 4, 2016
  12. ↑ Hilty, John (2016). "Hypericum boreale". Illinois Wildflowers. Retrieved February 4, 2016.
  13. ↑ Nature Preserves of Ohio Retrieved February 8, 2016
  14. ↑ SEINet: Arizone Chapter Retrieved February 8, 2016


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