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

Barbed
Retrorse projections or hairs.

Basal
Referring to the base or located there; the lower portion of a structure.

Bearded
Bearing long, stiff hairs, e.g. at culm nodes of Dichanthium.

Bi-
Two.

Bifid
Apex with one cleft or having two teeth.

Bilateral
Two sided; structures on two sides of an organ.

Binomial
A taxonomic name consisting of a genus name and a specific epithet forming the species name.

Bisexual
Having both sexes; a hermaphrodite.

Blade
Part of the leaf above the sheath.

Bloom
A waxy covering on surfaces, such as fruits and leaves; usually results in a bluish color.

Bract
A modified leaf, often scale-like (e.g., glumes, lemmas, paleas).

Branch
A lateral stem or part of the panicle inflorescence.

Bristle
A stiff, slender hair or appendage likened to a hog's bristle; in Setaria , Pennisetum and a few other grasses, it is a highly reduced branch without a spikelet at the apex.

Bud
An undeveloped stem, branch, leaf, or flower.

Bulb
A subterranean bud with fleshy scales, such as those of an onion.

Bulliform Cell
usally large, thin-walled, highly vacuolated, colorless epidermal cells present in intercostal zones of the leaf blade.

Bur
A rough or prickly covering surrounding the fruits or spikelets of some genera.