''Rubus deamii'', known as Deam's dewberry, is a North American species of

dewberry The dewberries are a group of species in the genus '' Rubus'', section ''Rubus'', closely related to the blackberries. They are small, trailing (rather than upright or high-arching) brambles with aggregate fruits, reminiscent of the raspbe ...

in section Procumbentes (formerly Flagellares) of the genus ''Rubus'', a member of the

rose family Rosaceae (), the rose family, is a family of flowering plants that includes 4,828 known species in 91 genera. The name is derived from the type genus ''Rosa''. The family includes herbs, shrubs, and trees. Most species are deciduous, but some ...

. It grows in scattered locations in the east-central United States and southern Canada, from

Ontario Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...

south to

Missouri Missouri (''see #Etymology and pronunciation, pronunciation'') is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it border ...

Tennessee Tennessee (, ), officially the State of Tennessee, is a landlocked U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders Kentucky to the north, Virginia to the northeast, North Carolina t ...

, and

West Virginia West Virginia is a mountainous U.S. state, state in the Southern United States, Southern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States.The United States Census Bureau, Census Bureau and the Association of American ...

, but nowhere is it very common.Bailey, Liberty Hyde 1943. Species batorum. The genus ''Rubus'' in North America. V. Flagellares. Gentes Herbarum 5: 229-432 It was first identified in 1932 by

Liberty Hyde Bailey Liberty Hyde Bailey (March 15, 1858 – December 25, 1954) was an American Horticulture, horticulturist and reformer of rural life. He was cofounder of the American Society for Horticultural Science.Makers of American Botany, Harry Baker Humphrey ...

and Sister Rose Agnes Greenwell, and Bailey named it '' Rubus rosagnetis'' in her honor.

References

External links

Photo of herbarium specimen at Missouri Botanical Garden, collected in Missouri in 1933
deamii Plants described in 1932 Flora of the United States Flora of Ontario {{Rubus-stub