James H. Miller & Ted Bodner, Southern Weed Science Society, Bugwood.org
September. Photo from Forest Plants of the Southeast and Their Wildlife Uses by J.H. Miller and K.V. Miller, published by The University of Georgia Press in cooperation with the Southern Weed Science Society.
Dave Powell, USDA Forest Service (retired), Bugwood.org
single flowering plant in typical habitat
Wendy VanDyk Evans, Bugwood.org
narrowleaf evening-primrose (Oenothera fruticosa) flower(s)
Karan A. Rawlins, University of Georgia, Bugwood.org
stemless evening primrose (Oenothera triloba) flower(s)
Karan A. Rawlins, University of Georgia, Bugwood.org
foliage
Forest and Kim Starr, Starr Environmental, Bugwood.org
Plant
Forest and Kim Starr, Starr Environmental, Bugwood.org
Habit
William M. Ciesla, Forest Health Management International, Bugwood.org
tufted evening-primrose (Oenothera cespitosa) flower(s) on ( )