University of Missouri Extension

IPM1023, New January 2005

Missouri Weed Seeds

Onagraceae (Evening primrose family)

Broadleaf plant family

Primrose is a common member of this family with approximately 14 different species present in Missouri.

Eveningprimrose, common Eveningprimrose, common
Oenothera biennis
 

For an idea of relative seed size, each photo contains a millimeter ruler. The distance between increments is 1 mm.

IPM1023 Missouri Weed Seeds | University of Missouri Extension

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