Rubus nigerrimus

Rubus nigerrimus is rare North American species of brambles in the rose family. It has been found only in the States of Oregon and Washington in the northwestern United States.[2][3]

Rubus nigerrimus
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Rubus
Species:
R. nigerrimus
Binomial name
Rubus nigerrimus
(Greene) Rydb. 1913
Synonyms[1]
  • Melanobatus nigerrimus Greene 1906
  • Rubus hesperius Piper 1897, illegitimate homonym not Rogers 1896
  • Rubus transmontanus Focke
  • Rubus leucodermis var. nigerrimus (Greene) H.St.John

Rubus nigerrimus is up to 2 meters (80 inches) tall, strongly armed with straight prickles. Leaves are compound with 3 or 5 leaflets. Flowers are white. Fruit almost black, with woolly hairs.[4]

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.[5]

References



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