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Silphium laciniatum

 

     Compass Plant

Asteraceae

 

 

 

 

 

Fruits.

  Fruit Type:  Achene

  Fruiting Period:  Sep

  Flowering Period:  Jun - Aug

      

 

 
Seeds.

  Color:  Brown

  Size:  6 x 9 mm

  Shape:  Obovate and flattened

  Surface Features: 

  Scarification:  Not required

  Stratification:  30-60 days

 

 

Seedlings.

  Cotyledons:  Oval, entire margins, fleshy and large

  Leaf arrangement:  Basal

  Leaves:  Simple, elongated oval with pointed tip, petiole, entire, coarse hairs, prominent vein