Rubus fruticosus

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Rubus fruticosus L. is the ambiguous name of a European blackberry species in the genus Rubus in the rose family. The name has been interpreted in several ways:

  • The species represented by the type specimen of Rubus fruticosus L., which is also the type specimen of the genus Rubus.[1] This specimen is considered to match the species R. plicatus, in Rubus subgenus Rubus, section Rubus.[2][3]
  • Various species consistent with Linnaeus' original description of the species, which was based on a mixture of specimens now considered to match Rubus ulmifolius and R. plicatus
  • a species aggregate (group of similar species) Rubus fruticosus agg. that includes most of a group called either Rubus subgenus Rubus[3] or Rubus section Rubus:[4]
    • in a narrow sense, sometimes separated as the section Glandulosus, with about 289 microspecies.[3] In this sense the species aggregate does not include the type of the genus Rubus, which is a hybrid.
    • in a broad sense including subgenus Rubus sections Glandulosus, Rubus (about 20 microspecies), and Corylifolii (about 24 microspecies).[3] Section Rubus are probably hybrids involving members of section Glandulosus with either R. idaeus or R. allegheniensis.[3] Section Corylifolii are probably hybrids involving members of section Glandulosus with R. caesius.[3]
    • even more broadly as a nomen ambiguum including all the taxa in the subgenus (or section) Rubus[5]

References[edit]

  1. ^ Farr, E. R. and G. Zijlstra, ed. (1996+), Index Nominum Genericorum, Smithsonian Institution, retrieved 15 May 2015  Check date values in: |date= (help)
  2. ^ USDA GRIN Taxonomy: entry for Rubus plicatus Weihe & Nees, retrieved 15 May 2015 
  3. ^ a b c d e f Stace, C. (2010). New flora of the British Isles. Cambridge: Cambridge University Press. ISBN 978-0521707725. 
  4. ^ USDA GRIN Taxonomy: entry for Rubus fruticosus auct. aggr., retrieved 15 May 2015 
  5. ^ Jarvis, C.E. (1992). "Seventy-Two Proposals for the Conservation of Types of Selected Linnaean Generic Names, the Report of Subcommittee 3C on the Lectotypification of Linnaean Generic Names". Taxon 41 (3): 552–583. doi:10.2307/1222833. JSTOR 1222833.