Parthenium integrifolium

     Wild Quinine; American Feverfew

Asteraceae

  Fruit Type:  Achene

  Fruiting Period:  late Sep

  Flowering Period:  June - early Aug

  Color:  Dark brown to black

  Size:  2 x 4 mm

  Shape:  Oval

  Surface Features:  Short pappus; hairs

  Scarification:  Not required

  Stratification:  30 days

  Cotyledons:  Oval with entire margins

  Leaf arrangement:  Basal

  Leaves:  Simple, oval, petiole, serrated, hairs, prominent midvein