Oenothera biennis

     Evening Primrose

Onagraceae

  Fruit Type:  Capsule

  Fruiting Period:  Oct

  Flowering Period:  Jul - Oct

  Color:  Brown

  Size:  1 x 1.5 mm

  Shape:  Irregular and angular

  Surface Features:  Wrinkled and granular; winged margins

  Scarification:  Not required

  Stratification:  30 days

  Cotyledons:

  Leaf arrangement:  Basal

  Leaves:  Simple, oval with tapered tip, winged petiole, entire margins, prominent midvein

  Other:  Reddish stem