Andropogon gerardii

     Big Bluestem

Poaceae

  Fruit Type:  Caryopsis

  Fruiting Period:  Aug - Sep

  Flowering Period:  Oct - Nov

  Color:  Tan

  Size:

  Shape:  Spindle

  Surface Features:  Lined; awns often attached

  Scarification:  Not required

  Stratification:  Not required

  Cotyledon:  Not above ground

  Stems:  Tiller base flattened and reddish; coarse hairs

  Leaves:  Simple, linear, entire margin, coarse hairs on lower third of blade

  Other:  Ligule is a ragged membrane