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Lactuca canadensis

 

     Wild Lettuce

Asteraceae

 

 

 

 

 

 

Fruits.

  Fruit Type:  Achene

  Fruiting Period: 

  Flowering Period:

      

 

 

Seeds.

  Color:  Black

  Size:  2 x 4 mm

  Shape:  Oval, flattened with curved margins; both ends pointed

  Surface Features:  Silky pappus; wrinkled; central rib

  Scarification: 

  Stratification:  Not required

 

 

Seedlings.

  Cotyledons:  Round with entire margins

  Leaf arrangement:  Basal

  Leaves:  Simple, spoon-shaped, winged petiole, serrated margins, hairs, purplish midvein

  Other:  Milky sap