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Evening Primrose (Oenothera biennis)
Image ID: mtr38Tap/mouseover and drag to zoom/pan.
Family: Onagraceae (Evening Primrose)
Height: 2 to 5 ft.
Blooms: June to September
Leaf Type: toothed
Bloom Size: 1.5 in. (typical)
Flower Description: Flat or rounded clusters, Regular blooms, 4 parts
Location: Montour Trail
More photos of this flower
We started out as wildflowers from the bicycle trails of western Pennsylvania, but we've grown!
Meyer, Joseph E. (1918). The Herbalist and Herb Doctor. Hammond, Ind.: Indiana Herb Gardens. 400 pp.