Rubus geniculatus

Rubus geniculatus is a European species of flowering plant in the rose family, with a few naturalized populations in the state of Virginia in the eastern United States. It has compound leaves with 3 or 5 leaflets, green on the upper side, pale green almost white on the lower side. Flowers are white. Fruits are dark purple, almost black.[2][3]

Rubus geniculatus
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Rubus
Species:
R. geniculatus
Binomial name
Rubus geniculatus
Kaltenb. 1845 not Focke 1868
Synonyms[1]
  • Rubus cerasifolius Lefèvre & P.J.Müll.
  • Rubus costatus var. geniculatus (Kaltenb.) Dumort.
  • Rubus falciferus P.J.Müll.
  • Rubus godronii var. cerasifolius (Lefèvre & P.J.Müll.) Boulay
  • Rubus hedycarpus subsp. geniculatus (Kaltenb.) H.E.Weber
  • Rubus pubescens var. geniculatus (Kaltenb.) Nyman

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]

References
  1. The Plant List, Rubus geniculatus Kaltenb.
  2. Biota of North America Program 2014 county distribution map
  3. Viltbraam. Serie Candicantes (Lees) Focke - Rubus Nederland description in Dutch, color photos, Netherlands distribution map
  4. Flora of North America, Rubus Linnaeus, 1754. Bramble


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