Rubus segnis

Rubus segnis is an uncommon North American species of flowering plant in the rose family. It grows in eastern Canada (all 3 Maritime Provinces) and the northeastern United States (Maine, New Hampshire, Vermont, Massachusetts). Nowhere is it very common.[2][3]

Rubus segnis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Rubus
Species:
R. segnis
Binomial name
Rubus segnis
Synonyms[1]
  • Rubus pudens L.H.Bailey
  • Rubus trifrons var. pudens (L.H.Bailey) Fernald

The genetics of Rubus is extremely complex, so that it is difficult to decide on which groups should be recognized as species. There are many rare species with limited ranges such as this. Further study is suggested to clarify the taxonomy.[4] Some studies have suggested that R. segnis may have originated as a hybrid between R. flagellaris and R. hispidus.[5]

References
  1. The Plant List, Rubus segnis L.H.Bailey
  2. Biota of North America Program 2014 county distribution map
  3. Bailey, Liberty Hyde 1941. Gentes Herbarum; Occasional Papers on the Kinds of Plants 5(2): 84
  4. Flora of North America, Rubus Linnaeus, 1754. Bramble
  5. Flora of North America, Rubus hispidus Linnaeus, 1753. Bristly or swamp dewberry, ronce hispide


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