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