Asclepias sullivantii

     Prairie Milkweed

Asclepiadaceae

  Fruit Type:  Follicle

  Fruiting Period:  Oct

  Flowering Period: Jun - Jul

  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:  30 days

  Cotyledons:  Oval with entire margins

  Leaf arrangement:  Opposite

  Leaves:  Simple, linear, sessile, entire margins, no hairs