Hypericum ascyron subsp. pyramidatum

Hypericum ascyron subsp. pyramidatum

Taxonavigation

Taxonavigation: Malpighiales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Rosids Cladus: Eurosids I Ordo: Malpighiales

Familia: Hypericaceae
Genus: Hypericum
Sectio: H. sect. Roscyna
Species: Hypericum ascyron
Subspecies: Hypericum ascyron subsp. pyramidatum

Name

Hypericum ascyron subsp. pyramidatum (Aiton) N.Robson, 2001

Synonyms

• Basionym
  • Hypericum pyramidatum Aiton, Hort. Kew. 3: 103 (1789).
• Homotypic
  • Roscyna americana Spach, Ann. Sci. Nat., Bot., sér. 2, 5: 364 (1836), nom. superfl.
  • Hypericum ascyron var. americanum Y.Kimura in T.Nakai & M.Honda, Nov. Fl. Jap. 10: 124 (1951).
• Heterotypic
  • Hypericum bartramium Mill., Gard. Dict. ed. 8: n.° 10 (1768).
  • Hypericum amplexicaule Lam., Encycl. 4: 147 (1797).
  • Hypericum ascyroides Willd., Sp. Pl., ed. 4, 3: 1443 (1803).
  • Hypericum macrocarpum Michx., Fl. Bor.-Amer. 2: 82 (1803).
  • Hypericum bartramianum Pursh, Fl. Amer. Sept. 2: 274 (1813), orth. var.

Distribution

Native distribution areas:

Hypericum ascyron subsp. pyramidatum Continental: Northern America USA (Connecticut, Iowa, Illinois, Indiana, Kansas, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Nebraska, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Vermont, Wisconsin, West Virginia); Canada (Ontario, Québec) References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

• Robson, N.K.B. 2001. Bull. Nat. Hist. Mus. (London), Bot. 31: 58.

Links

• Govaerts, R. et al. 2022. Hypericum ascyron subsp. pyramidatum in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2022 Jan 13. Reference page. 
• Hassler, M. 2022. World Plants. Synonymic Checklist and Distribution of the World Flora. . Hypericum ascyron subsp. pyramidatum. Accessed: 13 Jan 2022.
• International Plant Names Index. 2022. Hypericum ascyron subsp. pyramidatum. Published online. Accessed: Jan 13 2022.

Vernacular names

English: Largeflower St. Johnswort

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