rough barnyard grass

Glossary

Auricle

A small ear-like projection at the base of a leaf or at the junction of a grass blade and stem.

 

Awn

A stiff, bristle-like appendage at the tip of the glume, lemma, or palea of grass florets.

 

Blade

The part of a grass leaf above the sheath.

 

Culm

The hollow or pithy stem of a grass, sedge, or rush.

 

Glume

A bract at the base of a grass spikelet. Glumes usually occur in pairs, but occasionally only one is present.

 

Keeled

Folded, as in a grass blade, or with a raised ridge, as in a grass sheath; like the keel of a boat.

 

Ligule

In grasses, a membranous appendage at the junction of the leaf and the leaf sheath, often covered with a fringe of hairs.

 

Spikelet

The basic unit of inflorescence in grasses, composed of usually two glumes and one or more florets.