Aquatic, Wetland and Invasive Plant Glossary

Aquatic, Wetland and Invasive Plant Glossary

barbellate search for term
- a. (L. barba, beard) provided, usually laterally, with fine, short points or barbs.
bark search for term
- n. (ME. barke; AS. bare, bark or rind) the outermost covering of trees and some plants. This is composed of the cuticle or epidermis, the outer bark or cortex, and the inner bark or fiber.
bay search for term
- n. (Fr. baia; LL. baia, bay) a part of a sea or lake indenting the shore line; the word is often applied to very large tracts of water around which the land forms a curve, as Hudson's Bay.
bayou search for term
bayou - n. (Fr. boyau, a gut, long narrow passage) a marshy inlet or outlet of a lake, river, etc.; also a backwater.
berry search for term
- n. (AS. berie, berry) any fleshy simple fruit with one or more seeds and a skin, as a tomato, cranberry, banana, grape, etc.; a several-sided indehiscent fruit with a fleshy pericarp and without a stony layer surrounding the seeds.
biennial search for term
- a. (L. biennialis, from biennis; bis, twice, and annus, year) a plant requiring two years in which to complete its life cycle, the first year growing only vegetatively, the second flowering, fruiting, then dying.
bifid search for term
- a. (L. bifudus, forked; from bis, twice and findere, to cleave, divide) forked; divided by a cleft.
bilabiate search for term
- adj., having two lips, as a bilabiate corolla of a flower.
bilateral search for term
- a. (L. bilateralis; bi, two, and latus, a side) having two sides.
bilaterally symmetrical search for term
symmetrical - said of corolla or calyx (or flower) when divisible into equal halves in one plane only; zygomorphic.
bilocular search for term
- adj., divided into two cells or compartments.
biomass search for term
- n. (Gr. bios, life; massein, to squeeze) weight of all living material in a unit area at an instantaneous time. May be expressed as g/m2, mt/ha, or other similar expressions.
bisexual search for term
- a. (L. bis, twice; sexus, sex) having both female and male reproductive organs present and functional in the same flower; hermaphrodite; amphisporangiate; said of a plant having all bisexual flowers.
blade search for term
- n. (AS. blaed, leaf) the leaf of a plant, especially grass; the flat or expanded portion of a leaf; lamina.
bloom search for term
- n. (ME. blome, a blossom) a blossom; the flower of a plant; an expanded bud; the opening of flowers in general, leaves, flowers, or fruits.
blossom search for term
- n. (ME. blossome, a flower) a flower or bloom, esp. of a fruit bearing plant. A state or time of flowering, literally, and figuratively.
bog search for term
- n. (Ir. bogach, a bog, from Gael. bog, soft moist) a quagmire covered with grass or other plants; wet, spongy ground; a small marsh; plant community on wet, very acid peat.
bottomland search for term
- n., lowlands along streams and rivers, usually on alluvial floodplains that are periodically flooded.
brackish search for term
- a. mixed with salt; briny.
bract search for term
- n. (L. bractea, a thin metal plate) a modified leaf, growing at the base or on the stalk of a flower. It usually differs from other leaves in shape or color.
bracteolate search for term
- adj., furnished with bracteoles.
bracteole search for term
- n. (NL. bracteola, from L. a thin gold leaf) a small bract; especially one on a floral axis. pl. bracteoles.
branch search for term
- n. (LL. branca, paw) a natural division of a plant stem.
branchlet search for term
- n., a small usually terminal branch.
bristle search for term
- n. (AS. bristl, byrst, a bristle) stiff, strong but slender hair or trichome.
bud search for term
bud - n. (ME. budde; AS. budda, beetle) a small swelling or projection on a plant, from which a shoot, cluster of leaves, or flowers develops; a rudimentary, undeveloped shoot, leaf, or flower; gemma.
bulb search for term
- n. (Fr. bulbe; L. bulbus; Gr. bolbos, a bulbous root) a specialized underground bud that sends down roots and consists of a very short stem covered with leafy scales or layers which store water and nutrients, the whole enclosing next year's bud.