New York Metropolitan Flora

Genus: Hypericum

Hypericum densiflorum Hypericum perforatum Hypericum gentianoides Hypericum gentianoides

By Kerry Barringer

Not peer reviewed

Last Modified 02/06/2013

Back to Clusiaceae

Nomenclature

Hypericum L., Sp. Pl. 2: 783. 1753. Gen. Pl. 341. 1754. LECTOTYPE: Hypericum perforatum L., designated by Britton & Brown (1913).

Ascyrum L., Sp. Pl. 787. 1753. Gen. pl., ed. 5, 342. 1754. Hypericoides Adans., Fam. Pl. (Adanson) 2: 443. 1763. Myriandra Spach, Ann. Sci. Nat. Bot. ser. 2, 5: 364. 1836. LECTOTYPE: Hypericum hypericoides (L.) Crantz (Ascyrum hypericoides L.), designated by Britton & Brown (1913).

Brathys L. f., Suppl. Pl. 43, 268. 1782. TYPE: Brathys juniperina L.f.

Crookea Small, Fl. S.E. U.S. 786, 1335. 1903. TYPE: Crookea microsepalum (Torr. et A. Gray) Small.

List of Hypericum Species

References to Hypericum

  • Adams, P. 1973. Clusiaceae of the southeastern United States. J. Elisha Mitchell Sci. Soc. 89: 62-71.
  • Adams, W. P. 1957. A revision of the genus Ascyrum (Hypericaceae). Rhodora 59(700): 73-95.
  • Adams, W. P.; Robson, N. K. 1961. A re-evaluation of the generic status of Ascryrum and Crookea (Guttiferacae). Rhodora 63: 10-16.
  • Adams, W. P.; Robson, N. K. 1961. A re-evaluation of the generic status of Ascyrum and Crookea (Guttiferaceae). Rhodora 63: 10-16.
  • Allison, J. R. 2011. Synopsis of the Hypericum denticulatum complex (Hypericaceae). Castanea 76: 99-115.
  • Barcaccia, G. et.al. 2006. Genetic diversity and reproductive biology in ecotypes of the facultative apomict Hypericum perforatum L. Heredity 96: 322-334.
  • Bartholomew, E. A. 1950. The family Hypericaceae of West Virginia. Castanea 15: 102-9.
  • Bosy, J. L.; Reader, R. J. 1995. Mechanisms underlying the suppression of forb seedling emergence by grass (Poa pratensis) litter. Funct. Ecol. 9: 635-639.
  • Britton, Nathaniel L. 1890. New or noteworthy North American phanerogams. III. Bull. Torrey Bot. Club 17: 310-6.
  • Cooperrider, T. S. 1989. The Clusiaceae of Ohio. Castanea 54: 1-11.
  • Coulter, J. M. 1886. Revision of the North American Hypericaceae. Bot. Gaz. 11: 80-1.
  • Crompton, C. W. et.al. 1988. The biology of Canadian weeds. 83. Hypericum perforatum L. Canad. J. Pl. Sci. 68: 149-162.
  • Fernald, M. L. 1936. Plants of the Outer Coastal Plain of Virginia. Rhodora 38: 376-404,414-52.
  • Fernald, M. L. 1936. The varieties of Ascyrum hypericoides. Rhodora 38: 430-3.
  • Fernald, M. L.; Schubert, B. G. 1948. Studies of American types in British herbaria. Rhodora 50: 149-76, 181-208, 217-33.
  • Gillet, J. M.; Robson, N. K. B. 1959. The St. John's worts of Canada. Natl. Mus. Canad. Nat. Sci. Publ. Bot. 11: 1-end.
  • Hoar, C. S.; Haertl, E. J. 1932. Meiosis in the genus Hypericum. Bot. Gaz. 93: 197-204.
  • Maffi, L. et.al. 2004. Morphology and development of secretory structures in Hypericum-perforatum and H. richeri. Nordic J. Bot. 23: 453-461.
  • Merriam, J. S. 1870. Ascyrum crux-andreae. Bull. Torrey Bot. Club 1: 44.
  • Nurk, N. M.; Blattner, F. R. 2010. Cladistic analysis of morphological characters in Hypericum (Hypericaceae). Taxon 59: 1495-1507.
  • Perez-Garcia, F. et.al. 2006. Hypericum perforatum L. seed germination: interpopulation variationand effect of light, temperature, presowing treatments and seed desiccation. Genetic Resources and Crop Evolution 53: 1187-1198.
  • Robson, N. K. B. 1981. Studies in the genus Hypericum L. (Guttiferae): 2. Characters of the genus. Bull. Nat. Hist. Museum Bot. 8(2): 55-226.
  • Robson, N. K. B. 1996. Studies in the genus Hypericum L. (Guttiferae) 6. Sections 20. Myriandra to 28. Elodes. Bull. Nat. Hist. Museum Bot. 26: 75-217.
  • Robson, N. K. B. 2001. Studies in the genus Hypericum L. (Guttiferae) 4(1). Sections 7. Roscyna to 9. Hypericum sensu lato (part 1). Bull. Nat. Hist. Museum Bot. 31: 37-88.
  • Robson, N. K. B. 2002. Studies in the genus Hypericum L. (Guttiferae) 4(2). Section 9. Hypericum sensu lato (part 2): subsection 1. Hypericum series 1. Hypericum. Bull. Nat. Hist. Museum Bot. 32: 61-123.
  • Robson, N. K. B. 1977. Studies in the genus Hypericum L. (Guttiferae): 1. Infrageneric classification. Bull. Nat. Hist. Museum Bot. 5(6): 291-355.
  • Robson, N. K. B. 1972. Evolutionary recall in Hypericum Guttiferae? Trans. & Proc. Bot. Soc. Edinburgh 41(3): 365-83.
  • Robson, N. K. B.; Adams, P. 1968. Chromosome numbers in Hypericum and related genera. Brittonia 20(2): 95-106.
  • Svenson, H. K. 1940. Plants of the southern United States. III. Woody species of Hypericum. Rhodora 42: 8-19.
  • Svenson, H. K. 1952. What is Hypericum prolificum? Rhodora 54(644): 205-7.
  • Vestal, P. A. 1937. The significance of comparative anatomy in establishing the relationship of the Hypericaceae to the Guttiferae and their allies. Philipp. J. Sci. 64: 199-256.
  • Wood, C. E.; Adams, P. 1976. The genera of Guttiferae (Clusiaceae) in the southeastern United States. J. Arnold Arbor. 57: 74-90.
  • Zika, P. F. 2003. Notes on the provenance of some eastern wetland species disjunct in western North America. J. Torrey Bot. Soc. 130: 43-46.