beachgrass
Any grass of the genus Ammophila.
Ammophila arenaria, a coarse grass native to sandy beaches of Europe (north to Iceland) and northwest Africa.
Ammophila breviligulata, a coarse grass native to sandy beaches of eastern North America, including the shores of the Great Lakes.

beachgrasses
plural of beachgrass

beachwort
A flowering plant of the genus Batis (Batis maritima).

beaksedge
Any plant of the genus Rhynchospora.

beanstalk
The stem of a bean plant, proverbially fast-growing and tall.
A tall, slim person.
A space elevator.

beanstalks
plural of beanstalk

beanweed
Scytosiphon lomentaria, a littoral brown filamentous seaweed.

bearbrush
An American flowering shrub of species Garrya fremontii.

bearclover
A species of aromatic evergreen shrub in the rose family, Chamaebatia foliolosa.

bearclovers
plural of bearclover

bearwort
A perennial alpine plant, Meum athamanticum.

beastlihead
Beastliness (as a mock title or style akin to "Highness" or "Holiness").

beaverwood
Celtis occidentalis, the common hackberry, a large deciduous tree native to North America.

bebeeru
Alternative form of bibiru.

bebeerus
plural of bebeeru

bedstraw
any plant of herb genus Galium of the madder family with small pointed leaves and hairy stems with small, white or yellow flowers
Any plant of the genus Cruciata.
straw put into a bed

beebrush
Any of the genus Aloysia of flowering plants in the verbena family.

beebrushes
plural of beebrush

beechmast
The mast or nuts of the beech tree.

beetleweed
Galax urceolata, an evergreen herbaceous perennial plant native to the southeastern United States.

beetrave
The common beet, Beta vulgaris.

beetraves
plural of beetrave

beewort
The plant Acorus calamus, the sweet flag or calamus.

begonia
Any plant of the large genus of Begonia.

begonias
plural of begonia

bejuco
Any climbing woody vine of the tropics with the habit of a liana; in the Philippines, especially any of various species of Calamus, the cane or rattan palm.

bejucos
plural of bejuco

belladonna
A plant, Atropa belladonna, having purple bell-shaped flowers and poisonous black glossy berries.
An alkaloid extracted from this plant, sometimes used medicinally, containing atropine.

belladonnas
plural of belladonna

bennettitalean
Any of the extinct plants of the order Bennettitales.

bennettitaleans
plural of bennettitalean

bennettite
Any extinct plant of the order Bennettitales

bens
plural of ben

benteak
The wood of the tree Lagerstroemia microcarpa.

benthophyte
Any plant that grows on the bed of a river or other body of water

benthophytes
plural of benthophyte

benweed
Common ragwort (Jacobaea vulgaris, syn. Senecio jacobaea).

ber
A fruit-bearing tree (Ziziphus mauritiana); Indian jujube.

bergpalmiet
Tetraria thermalis, a reedlike grass of South Africa.

bers
plural of ber

bertam
bertam palm

bertams
plural of bertam

betasatellite
A form of single-stranded satellite DNA associated with plant viruses.

betasatellites
plural of betasatellite

bethabara
Ipe (kind of wood).

betonies
plural of betony

betony
Any plant of the genus Stachys.
Any plant of the genus Stachys.
Any plant of the genus Pedicularis (louseworts).

bhaichara
Brotherhood; amity.

bhaigans
plural of bhaigan

bher
Alternative form of ber (“type of tree”).

bhers
plural of bher

biasong
The tree Citrus micrantha or its fruit.

bibiri
Alternative form of bibiru.

bibiru
A tropical South American tree, Chlorocardium rodiei, the greenheart.

bibirus
plural of bibiru

biblus
Synonym of papyrus

bijao
Cuban cigar plant (Calathea lutea).
macawflower (Heliconia bihai).
rat plantain, wild ginger (Renealmia aromatica, syn. Renealmia occidentalis).

bijaos
plural of bijao

bijasal
The Indian tree Pterocarpus marsupium.

bijasals
plural of bijasal

bilian
A hardwood tree, Eusideroxylon zwageri, of Malaysia, Borneo, Indonesia, and the Philippines.
The timber of this tree, impervious to white-ants.

bilinga
The African tropical hardwood of the tree Nauclea diderrichii.

biliphyte
Any alga of the phylum Biliphyta.

biliphytes
plural of biliphyte

billetwood
Wood cut into billets.

billiphyte
Alternative form of biliphyte.

billiphytes
plural of billiphyte

bilwa
Alternative form of vilwa.

bindies
an infestation of the bindii plant
plural of bindy (a single burr of the plant)

bindweed
Any of several trailing vine-like plants in the family Convolvulaceae with funnel-shaped flowers:
Any of several trailing vine-like plants in the family Convolvulaceae with funnel-shaped flowers:
Any of several trailing vine-like plants in the family Convolvulaceae with funnel-shaped flowers:
Any of several plants of species in other families with similar appearance:
Any of several plants of species in other families with similar appearance:

bindy
a stinging burr of the bindii plant

bineweed
Obsolete form of bindweed

bineweeds
plural of bineweed

bintree
binary tree

bintrees
plural of bintree

binyan
In Semitic languages, especially Hebrew, a template that creates verbs by having root consonants slotted into it.

binyanim
plural of binyan

binyans
plural of binyan

bioevent
A biological event, especially one that leaves evidence in rock strata

bioevents
plural of bioevent

biofabric
Any synthetic fabric made from a renewable plant source rather than from petroleum

biofabrics
plural of biofabric

biofact
a biological artefact, not altered by human hands; e.g. a seed, or an uncarved wooden roof beam.
A hybrid of an artefact and a living entity, or between concepts of nature and technology.

biofacts
plural of biofact

biofiber
Any fiber (including dietary fiber) manufactured from plant material

biofibers
plural of biofiber

biofibre
Alternative form of biofiber.

biofibres
plural of biofibre

bioflocculation
The flocculation of biological organisms such as bacteria and algae

biopedturbation
The mixing or disturbance of soil by living organisms, as opposed to disturbance of other media such as sediment or leaf litter.

biopetroleum
Any form of petroleum (or a similar substitute) made biologically (especially from algae)

biophyte
Any plant that obtains nourishment from the bodies of insects (or other once-living organisms)

biophytes
plural of biophyte

bioquercetin
A bioavailable form of quercetin

birchrind
birchbark (the bark of the birch tree, especially of the white birch)

birdsfoot
Any of various flowering plants in the genus Ornithopus.

birdweed
Any of certain species of plants of the genus Polygonum, especially
Any of certain species of plants of the genus Polygonum, especially

birdweeds
plural of birdweed

biriba
The tropical tree (Rollinia mucosa, syn. Rollinia deliciosa), native to South America, cultivated widely.
The fruit from that tree, the wild sugar-apple.

biribas
plural of biriba

birthwort
Any plant of the genus Aristolochia.
Birthroot (Trillium erectum).

bisagre
A small spiny cactus of Mexico and the southwest United States that is sometimes cut into slices and candied.

bisagres
plural of bisagre

bispore
Either of a pair of asexual spores produced by some red algae

bispores
plural of bispore

bissap
The plant roselle (Hibiscus sabdariffa).
Roselle juice; cold Hibiscus tea; drink made with the crimson-colored sepals of the roselle flower with a strong, tart flavor

bitanhol
The tropical tree Calophyllum inophyllum.
The wood of this tree.

bitanjol
Alternative form of bitanhol.

bitaog
The Alexandrian laurel (Calophyllum inophyllum); a large evergreen tree often cultivated as an ornamental.

bitaogs
plural of bitaog

bitterbush
Any plant of the genus Picramnia.

bitterbushes
plural of bitterbush

bitterweed
Any plant in the genus Ambrosia, especially Ambrosia artemisiifolia (common ragweed).
The plant Helenium amarum (yellow sneezeweed).
Parthenium hysterophorus (false ragweed)
Artemisia tripartita subsp. tripartita (syn. Artemisia trifida; threetip sagebrush)
Picris rhagadioloides (syn. Picris sprengeriana; tall oxtongue)
Tetraneuris spp.

bitterweeds
plural of bitterweed