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Other Names: marsh cinquefoil, marsh five-fingerScientific Name: Potentilla palustris (L.) Scop.
Plant Family: Rosaceae
Botanical Description: herbaceous, somewhat woody at the baseStems: reddish brown, low sprawling, vine-like growth habit; young growth may reach 4 to 24 inches long
Leaves: pinnate with 3 - 7 narrow leaflets, 1 - 3 inches long, leaflets sharply saw-toothed
Roots: long rhizomes
Flowers: red to purple, showy, about 1 inch diameter, bloom June - August
Seeds: tiny, kidney- or ear-shaped, may have visible veins or ribs
Seedling: similar to cinquefoil seedling
Reproduction: perennialPropagation: rhizomes, seeds
Dispersal: Rhizomes may enter cranberry bogs with cuttings or applied sand.
State: Common throughout Wisconsin.National: Found northward as far as Alaska and Ontario, southward to New Jersey, Ohio, Illinois, Iowa and California.
Origin:
Prefers peat soils but will establish in moist sandy areas. Common in older cranberry bogs, along bed edges, swamps, streambanks, bogs and drainage ditches.
While scouting a cranberry bed for disease and insect pests, identify weed populations as they arise. Note the specie(s) of weed present as well as the population level relative to field area. Example: 10% marsh five-finger, 20% boneset and joe-pye weed mix.
Dana, M. 1987. Cranberry Weeds in Wisconsin. Department of Horticulture, University of Wisconsin-Madison. Madison, Wisconsin. p. 29.
Delorit, R. J. 1970. Illustrated Taxonomy Manuual of Weed Seeds. Agronomy Publications, Wisconsin State University-River Falls. River Falls, Wisconsin. p. 90.
Gleason, H. A. 1952. Illustrated Flora of the United States and Adjacent Canada. Vol 2. Lancaster Press, Lancaster, Pennsylvania. p. 298.
Kummer, L. D., T. G. Dittl, and T. D. Planer. 1993. Wisconsin Cranberry Weeds. Wisconsin Cranberry Board, Wisconsin Rapids, Wisconsin. p. 18.
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