Glossary
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Lacerate
Appearing torn on the margin; irregularly cleft.

Lanate
Woolly covering of short dense hair.

Lanceolate
Shape or outline like the head of a spear; pointed at both ends and widest below the middle.

Lateral
Referring to the sides.

Leaf
The lateral organ of a grass culm, typically consisting of a sheath, blade, ligule, and auricles.

Leaf blade
The expanded and flattened portion of a leaf.

Leaf sheath
The tubular basal portion of a leaf that encloses the stem, as in grasses and sedges.

Lemma
An odd-veined bract, the lowermost of the floret which is attached to the rachilla where it delimits the floret.

Ligule
The adaxial appendage, membrane, ciliate membrane, or ring of hairs on the inside of a leaf at the junction of sheath and blade.

Linear
Long and narrow with parallel margins.

Lobed
A projecting portion of an organ in which the divisions are less than half the distance to the base or midrib; usually rounded at apex.

Lodicules
Two or three membranous parts at the base of the grass flower; thought to be reduced perianth.

Longevity
Life span of an organism; in plants annual, biennial or perennial.