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Acid soils. Boggy sites. Dry Black Oak savanna. Sterile spots on marsh borders.
Eastern Canada and New England, south to SC, TN, and west to IL, IA, WI.
Trailing, woody perennial armed with slender, straight, eglandular prickles, sometimes with shorter, glandular hairs. Leaves mostly trifoliate; leaflets glossy green, the terminal usually short-petiolate. Flowers white, in a racemiform inflorescence. Fruit a blue-black cluster of drupelets remaining attached to the receptacle at maturity.
Flowers mid May to early August
Wetland indicator: Facultative Wetland
The fruit of this species is sour.
Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY
Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
Michael Hough © 2005