Introduced to North America from Eurasia, sulphur cinquefoil (Potentilla recta, Rosaceae) is an easy-to-identify member of the rose family. It tends to grow in disturbed places, features palmately-compound leaves of five or (more commonly) seven toothy leaflets, has sulfur-colored flowers with five notched petals, and is generally quite hairy (Brandenburg 2010).
The distinct combination of characteristics make this often weedy plant stick out like a sore thumb. I sometimes see it growing around driveways, buildings, and near field and forest margins. Although there are more well-behaved native cinquefoils, this more aggressive species is listed as a noxious weed in at least five states.
Brandenburg, D.M. 2010. National Wildlife Federation Field Guide to Wildflowers of North America. Andrew Stewart Publishing, Inc., New York, NY.