Swaziland's Alien Plants Database

Oenothera biennis L.
ONAGRACEAE
common evening primrose, yellow eveningprimrose, evening primrose, helokki, German rampion
Unknown, Minor problem species
Origin: North America
Growth Form: Herb
Plant Description:
Key Features:
Control:
Comments:
More information:
NRCS Plants Database

Photo - flowers/leaves



Thomas G. Barnes @ USDA-NRCS PLANTS Database

Photo - flowers/fruit



W.L. Wagner @ USDA-NRCS PLANTS Database

Illustration



USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada.

Photo - flowers/leaves



Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln, NE.

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