Rubus invisus is a species of dewberry, known as upland dewberry. Like other dewberries, it is a species of flowering plant in the rose family, related to the blackberry. It is found in the eastern and east-central United States.
Rubus invisus is a trailing shrub with stems running along the surface of the ground. Leaves are large and very coarsely toothed. Flowers and fruit form on unusually long stems. Canes are short, and form dense mats up to 1.5 feet (46 cm) thick.
Distribution and habitat
Rubus invisus has been found in Indiana, Kentucky, Massachusetts, Maryland, Missouri, New Hampshire, New Hampshire, New York, Ohio, Pennsylvania, Tennessee, Virginia, Vermont, West Virginia. It typically inhabits areas of rocky soil and partial to full shade.
- illustration from Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 281.
- "PLANTS profile for Rubus invisus (upland dewberry)". USDA. Retrieved 9 August 2013.
- Bailey, Liberty Hyde (1911). Sketch of the evolution of our native fruits. London: Macmillan Co. pp. 346–347.
- Biota of North America Program 2014 county distribution map