Asclepias tuberosa

     Butterfly Milkweed

Asclepiadaceae

  Fruit Type:  Follicle

  Fruiting Period:  Oct

  Flowering Period:  Jun - late Aug

  Color:  Shades of brown

  Size:  6 x 8 mm

  Shape:  Oval, flattened

  Surface Features:  Smooth with tuft of silky hairs; winged margins

  Scarification:  Not required

  Stratification:  60 - 90 days

  Cotyledons:  Oval with entire margins

  Leaf arrangement:  Opposite

  Leaves: Simple, linear, sessile, entire margins, hairy, defined midrib

  Other:  Hairy stem