Swaziland's Alien Plants Database

Oenothera biennis L.
common evening primrose, yellow eveningprimrose, evening primrose, helokki, German rampion
Unknown, Minor problem species
Origin: North America
Growth Form: Herb
Plant Description:
Key Features:
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


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.

map key

Feedback (comments, corrections, additions for this species)

Submit records for this species

Home | Species List | Grid Square List | Map | Bibliography/Data Sources | Photo/Illustration Sources

Swaziland's Plants Database

Swaziland National Trust Commission Home Page