Rubus longii

Rubus longii is an uncommon North American species of brambles in the rose family. It grows in the eastern United States from Long Island to North Carolina.[2][3]

Rubus longii
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Rubus
Species:
R. longii
Binomial name
Rubus longii
Fernald 1938
Synonyms[1]
  • Rubus acer L.H.Bailey
  • Rubus akermanii Fernald
  • Rubus cacaponensis H.A.Davis & T.Davis
  • Rubus subinnoxius Fernald

Rubus longii is an erect shrub with straight prickles. Leaves are palmately compound with 3 or 5 leaflets. Fruits are nearly spherical, black and juicy.[3]

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 longii Fernald
  2. Biota of North America Program 2014 county distribution map
  3. Fernald, Merritt Lyndon 1938. Rhodora 40(479): 434–435, plates 521–522 description in Latin, commentary in English, photos of herbarium specimens
  4. Flora of North America, Rubus Linnaeus, 1754. Bramble


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