Panicle Inflorescence: Resembles a “turkey foot”

Spikelets: Pared: sessile spike has awn

Culms(Stem): is robust

Leaves: purplish at base

Andropogoneae Andropogon gerardii 

Inflorescence: several spike racemes per culm zigzag appearance at maturity

Pared spikelets: lower sessile perfect, upper imperfect,

 perfect spikelete awned and twisted from lemma

Culms(stems): tufted, upper half freely branching

Leaves: flat, and ruff with red/purple tint stems

Andropogoneae Schizachyrium scoparium

Inflorescence: large (15-30 cm) panicle; yellow or tawny

-Paired spikelets (1 sessile 1 fertile 1 pedicle wt spike absent.)

-upper lemma of sessile (fertile) spike has a geniculate(bent) awn--Tightly bent below the bend and loosely above

Pubescent nodes

Andropogoneae Sorghastrum nutans

Inflorescence: open, diffuse panicle

-Spikelets clustered near the ends of long branches

-Spikelets, 2-flowered (upper fertile)

-base of second glume encloses the base of the first

Leaves: Blades flat with triangular patch of hair at the

Paniceae Panicum virgatum

Andropogoneae andropogon gerardii 

big blue stem

Andropogoneae Schizachyrium scoparium

Little bluestem

Andropogoneae Sorghastrum nutans

indian grass

Paniceae Panicum viratum

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