Sulphur or Rough-fruited Cinquefoil
Potentilla recta* / Rose Family
"Cinquefoil" alludes to the 5 leaflets of each leaf. Sulphur Cinquefoil flowers are a pale yellow, other cinquefoils have darker yellow petals. These were photographed in Oak Ridge in May.
Where seen:Oak Ridge, Great Smoky Mountains NP, Warriors' Path SP, widespread