Class: Liliopsida Order: Poales Family: Poaceae (Gramineae)

1. Roots are always fibrous. Perennial grasses may have rhizomes.

Class: Liliopsida Order: Poales Family: Poaceae (Gramineae)

1. Roots are always fibrous. Perennial grasses may have rhizomes.

2. Shoots are called culms.

3. Leaves are parallel-veined. Sheath, ligulle, blade

Class: Liliopsida Order: Poales Family: Poaceae (Gramineae)

1. Roots are always fibrous. Perennial grasses may have rhizomes.

2. Shoots are called culms.

3. Leaves are parallel-veined. Sheath, ligulle, blade

4. Flowers (florets) are always clustered into spiklets.

- 2 stigmas, 3 stamen (long filaments), No calyx or corolla!

- each floret is enclosed by two scales: lemma (may be awned), Palea

Poa, Bromus, Andropogon