List of Rosa species

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There is significant disagreement over the number of true rose species. Some species are so similar that they could easily be considered variations of a single species, while other species show enough variation that they could easily be considered to be different species. Lists of rose species usually show more than 320.[1] The numbers 320 to 350 are the figures accepted by most botanists, but as Bailey has pointed out the extreme lumpers Bentham and Hooker only allowed for thirty species, while the extreme splitter Michel Gandoger allowed 4266 species just in Europe and western Asia.[2]

Subgenera and sections[edit]

There are currently four subgenus in the Rosa genus though there has been some disputes over the years.[3] The four subgenera are:

  • Hulthemia (formerly Simplicifoliae, meaning "with single leaves") containing one or two species from southwest Asia, R. persica and R. berberifolia (syn. R. persica var. berberifolia) which are the only roses without compound leaves or stipules.
  • Hesperrhodos (from the Greek for "western rose") has two species, both from southwestern North America. These are R. minutifolia and R. stellata.
  • Platyrhodon (from the Greek for "flaky rose", referring to flaky bark) with one species from east Asia, R. roxburghii.
  • Rosa (the type subgenus) containing all the other roses. This subgenus is subdivided into 11 sections.
    • Banksianae – white and yellow roses from China
    • Bracteatae – three species, two from China and one from India
    • Caninae – pink and white species from Asia, Europe and North Africa
    • Carolinae – white, pink, and bright pink species all from North America
    • Chinensis – white, pink, yellow, red and mixed-color roses from China and Burma
    • Gallicanae – pink to crimson and striped roses from western Asia and Europe
    • Gymnocarpae – a small group distinguished by a deciduous receptacle on the hip; one species in western North America (R. gymnocarpa), the others in east Asia
    • Laevigatae – a single white species from China
    • Pimpinellifoliae – white, pink, bright yellow, mauve and striped roses from Asia and Europe
    • Rosa (syn. sect. Cinnamomeae) – white, pink, lilac, mulberry and red roses from everywhere but North Africa
    • Synstylae – white, pink, and crimson roses from all areas

Species[edit]

The following species are accepted:[1]

See also[edit]

References[edit]

  1. ^ a b "Rosa L." Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 18 June 2021.
  2. ^ Bailey, Liberty Hyde (1935). Standard Cyclopedia of Horticulture. Vol. 3. New York: MacMillan Co. p. 2981.
  3. ^ [1], The genus Rosa (Rosoideae, Rosaceae) revisited: molecular analysis of nrITS-1 and atpB-rbcL intergenic spacer (IGS) versus conventional taxonomy, 2005

External links[edit]