Family: Rosaceae
rough-fruited cinquefoil, sulphur cinquefoil, sulphur five-fingers
[Potentilla pilosa Willd., more...]
Merel R. Black
Merel R. Black
University of Wisconsin - Madison (WIS-VP)
Etymology: Potentilla: comes from the Latin diminutive of potens meaning "powerful" in reference to the medicinal properties of some species
Plants: erect, perennial, 16"-32" tall, hairy forb, unbranched to the inflorescence
Leaves: palmately-divided, deeply-toothed; lower leaves long-stalked with 5-7 leaflets; upper leaves smaller, shorter stalked and with 3 leaflets
Flowers: pale yellow, 5-parted, 3/4" wide; inflorescence of many flowers in flattened, branched cluster (cyme); blooms June-Aug.
Fruits: dry seed
Habitat: dry; disturbed sites
Conservation Status: Introduced - naturalized
Plants: erect, perennial, 16"-32" tall, hairy forb, unbranched to the inflorescence
Leaves: palmately-divided, deeply-toothed; lower leaves long-stalked with 5-7 leaflets; upper leaves smaller, shorter stalked and with 3 leaflets
Flowers: pale yellow, 5-parted, 3/4" wide; inflorescence of many flowers in flattened, branched cluster (cyme); blooms June-Aug.
Fruits: dry seed
Habitat: dry; disturbed sites
Conservation Status: Introduced - naturalized
A common weed of oak barrens, oak savannas, rock outcrops, dry to mesic prairies, roadsides, fields, pine barrens, along railroads, open sand, gravel pits, old quarries, gravel lots, waste areas, sparse sandy lawns, thickets, beaches and sandy lakeshores, cedar glades, open rocky hillsides and bluffs, dry cliffs; dry woods of oak or pine-aspen, often in clearings and along logging roads. This is our most common introduced species of Potentilla, native to Europe and first collected in 1917.
Invasive And Exotic Species of North America: Descriptions, management issues, warnings, photos, etc. USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key
Merel R. Black
Merel R. Black
Margery Melgaard
Matthew L. Wagner
Aaron_Carlson
Aaron_Carlson
Robert W. Freckmann
