List of Hypericum nothospecies

The genus Hypericum contains a number of nothospecies, or hybrids created directly from crossing two accepted species to create an intermediate organism that shares properties of both. Many of these hybrid species are used as ornamental or decorative plants.

Nothospecies
Binomial Common Name Type Distribution Parentage Image References
Section Adenosepalum
H. × joerstadii

Lid (1968)

 Intermediate shrub H. glandulosum × H. reflexum [1][2][3][4][5]
H. pubescens × tomentosum H. pubescens × H. tomentosum [6][7][8]
Section Androsaemum
H. × inodorum

Mill. (1768)

 Tall Tutsan Deciduous shrub Corsica, France, Italy, Spain [2][9][10][11][12]
Section Ascyreia
H. kouytchense × calycinum

D.Walker

 Shrub Only in cultivation H. kouytchense × H. calycinum [1][13]
H. × cyathiflorum

N.Robson (1985)

 Shrub Only in cultivation H. addingtonii × H. hookerianum [4][13][12][8]
H. × dummeri

N.Robson (1985)

 Shrub Only in cultivation H. calycinum × H. forrestii [4][14][8]
H. × moserianum

André (1889)

 Shrub Only in cultivation [9][15][14][11][12]
Section Drosocarpium
H. × reinosae

A. Ramos (1983)

 Perennial herb H. perforatum × H. richeri subsp. burseri [1][13][8]
Section Graveolentia
H. × mitchellianum

Rydb. (1927)

 Blue Ridge St. John's Wort Perennial herb H. graveolens × H. punctatum [16][17][18][19][20]
Section Hypericum
H. × desetangsii

Lamotte (1874)

 Des Etang's St. John's Wort H. perforatum × H. maculatum [10][3][21][22][23]
H. × hyugamontanum

Y. Kimura

 Perennial herb Japan (Kyushu) [1][16]
H. × laschii

A.Fröhl.

 Scandinavia, France, Central Europe [1][3][24][4][8]
H. × medium

Peterm.

 Austria, Czech Republic, France, Germany, Romania [1][24][3]
Section Oligostema
H. × caesariense

Druce ex N.Robson

 Perennial herb Scotland, Northern England H. linariifolium × H. humifusum [2][8]
Section Trigynobrathys
H. × dissimulatum

E.P.Bicknell

 Disguised St. John's Wort H. boreale × H. canadense [25][9][19][20][26]

References
  1. "Hypericum Tourn. ex L." Plants of the World Online. Retrieved 2018-02-05.
  2. Zicha, Ondrej. "BioLib: Biological library". www.biolib.cz (in Czech). Retrieved 2018-01-25.
  3. Bulletin of the Natural History Museum. 2002. pp. Botany Series.
  4. "Hypericum L". GBIF. Global Biodiversity Information Facility. 2018-03-25. Retrieved 2018-04-22.
  5. Nurk, Nicolai (2011). Phylogenetic analyses in St. John's wort (Hypericum): Inferring character evolution and historical biogeography (PDF) (Dissertation). Berlin. pp. 32, 110. Retrieved 2018-04-22.
  6. "Nomenclature | Hypericum online". hypericum.myspecies.info. Retrieved 2018-01-25.
  7. Robson, Norman (1996). "Studies in the genus Hypericum L. (Guttiferae) 6. Sections 20. Myriandra to 28. Elodes". Bull. Br. Mus. (Nat. Hist.) Bot. 26: 75–271 – via Hypericum MySpecies.
  8. Barker, Christine. "The International Plant Names Index - home page". ipni.org. Retrieved 2018-09-16.
  9. "Plants Profile for Hypericum". USDA Plants.
  10. Stace, C.A; Preston, C.D.; Pearman, D.A. (2015). Hybrid flora of the British isles. Botanical Society of Britain and Ireland.
  11. "Hypericum". deeproot.co.uk. Retrieved 2018-07-06.
  12. "Bean's Trees and Shrubs". www.beanstreesandshrubs.org. Retrieved 2018-08-07.
  13. "Hypericum". The Plant List. Royal Botanic Gardens, Kew, Missouri Botanical Garden. 2013. Retrieved 19 February 2016.
  14. "Hypericum: Royal Horticultural Society". www.rhs.org.uk.
  15. "ITIS Standard Report Page: Hypericum". www.itis.gov. Retrieved 2018-01-13.
  16. Systematics and Biodiversity. 2006. pp. 4: 19–98.
  17. Bailey, C. (2015). Guide to the Vascular Plants of Tennessee. University of Tennessee press.
  18. Downs, RM (1972). "Hypericum mitchellianum in West Virginia". Castanea. 37: 149.
  19. "Lady Bird Johnson Wildflower Center". University of Texas at Austin. Retrieved 2018-08-06.
  20. "Genus: Hypericum". NatureServe Explorer. 2009-02-02. Retrieved 2018-08-06.
  21. Crackles, FE (1990). "Hypericum x desetangsii Lamotte nm. desetangsii in Yorkshire, with special reference to its spread along railways". Watsonia. 18: 63–67.
  22. "Plant Finder". Online Atlas of the British and Irish Flora. Retrieved 2018-06-08.
  23. "Hypericum L. [Guttiferae-Hypericoideae]". Botanical Illustrations. Retrieved 2018-08-11.
  24. Stace, C.A. (1975). Hybridization and the Flora of the British Isles. London, New York, San Francisco: Academic Press.
  25. "Family: Clusiaceae, Genus: Hypericum". davesgarden.com. Retrieved 2018-01-04.
  26. "Online Virtual Flora of Wisconsin - Hypericum". wisflora.herbarium.wisc.edu. Retrieved 2018-11-10.
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