Common Name: evening-primrose, cutleaf
Species: Oenothera laciniata Hill
Bayer Code: OEOLA

Cutleaf evening-primrose is a herbaceous weed that can grow to 28 inches tall. Often, the plant is upright, but the stems also recline and creep along the ground. The leaves are alternate, and toothed and lobed. The flowers are striking, and are yellow but sometimes have pink tinges to them. The flowers first appear in late spring and continue into early fall. Also unique is the elongated and curved seed pod located on the stems of the plant. Cutleaf evening primrose is found in fields, fencerows and waste areas, and is classified as a biennial, winter annual and sometimes a summer annual.
cutleaf evening-primrose
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cutleaf evening primrose
cutleaf evening primrose seedpods
cutleaf evening primrose seedling
cutleaf evening primrose
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CharacteristicTypeDescription
Growth Season winter annual weed OR biennial weed 
Growth Habit upright OR rosette 
Leaflet Number one 
Leaf Margin lobed 
Leaf Hairs upper/lower surface 
Leaf/Leaflet Shape linear/oblong OR oval/egg-shaped/elliptical 
Leaf Width   
Leaf Venation pinnate 
Leaf Arrangement alternate OR whorled or basal rosette 
Root Type fibrous OR taproot 
Flower Color