''Rubus roribaccus'' a North American species of
brambles
A bramble is any rough, tangled, prickly shrub, usually in the genus ''Rubus'', which grows blackberries, raspberries, or dewberries. "Bramble" is also used to describe other prickly shrubs, such as roses (''Rosa'' species). The fruits inclu ...
in the
rose family, called the Lucretia blackberry.
[Rydberg, Per Axel 1901. in Britton, Nathaniel Lord, Manual of the Flora of the northern States and Canada 498]
/ref> It grows in eastern Canada (Québec
Quebec ( ; )According to the Government of Canada, Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is ...
) and the eastern and central United States (from New York
New York most commonly refers to:
* New York City, the most populous city in the United States, located in the state of New York
* New York (state), a state in the northeastern United States
New York may also refer to:
Film and television
* '' ...
and Massachusetts south to the Carolinas
The Carolinas are the U.S. states of North Carolina and South Carolina, considered collectively. They are bordered by Virginia to the north, Tennessee to the west, and Georgia to the southwest. The Atlantic Ocean is to the east.
Combining Nort ...
and west as far as Oklahoma
Oklahoma (; Choctaw language, Choctaw: ; chr, ᎣᎧᎳᎰᎹ, ''Okalahoma'' ) is a U.S. state, state in the South Central United States, South Central region of the United States, bordered by Texas on the south and west, Kansas on the nor ...
, Kansas, and Nebraska).
''Rubus roribaccus'' has a thick stem, round in cross-section and with straight prickles. Leaves are compound with 3 or 5 leaflets. Fruit is black, spherical or slightly oblong.[
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.Flora of North America, ''Rubus'' Linnaeus, 1754. Bramble ]
/ref>
References
External links
Photo of herbarium specimen at Missouri Botanical Garden, collected in Missouri in 1932
roribaccus
Plants described in 1890
Flora of Quebec
Flora of the United States
{{Rubus-stub