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.