Glossary
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z menu home

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 of a spikelet occurring above the glumes; the abaxial bract of the floret that may be awned or awnless.

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.