false alarm

a warning that is given about something that fails to occur ;

false alumroot

plant growing in clumps with mostly basal leaves and cream or pale pink fringed flowers in several long racemes; Alaska to coastal central California and east to Idaho ;

false asphodel

a plant of the genus Tofieldia having linear chiefly basal leaves and small spicate flowers ;

false azalea

straggling shrub of northwestern North America having foliage with a bluish tinge and umbels of small bell-shaped flowers ;

false baby's breath

Eurasian herb with ample panicles of small white flowers; naturalized in North America ;

false beachdrops

fleshy tawny or reddish saprophytic herb resembling the Indian pipe and growing in woodland humus of eastern North America; in some classifications placed in a separate genus Hypopitys ;

false belief

a misconception resulting from incorrect reasoning ;

false bittersweet

twining shrub of North America having yellow capsules enclosing scarlet seeds ;

false bracken

resembles Pteridium aquilinum; of Queensland, Australia ;

false buckthorn

deciduous tree of southeastern United States and Mexico ;

false bugbane

tall perennial of the eastern United States having large basal leaves and white summer flowers ;

false calyx

a group of bracts simulating a calyx as in a carnation or hibiscus ;

false chamomile

any of various autumn-flowering perennials having white or pink to purple flowers that resemble asters; wild in moist soils from New Jersey to Florida and Texas ;

false deathcap

agaric often confused with the death cup ;

false dogwood

evergreen of tropical America having pulpy fruit containing saponin which was used as soap by native Americans ;

false dragon head

North American plant having a spike of two-lipped pink or white flowers ;

false dragonhead

North American plant having a spike of two-lipped pink or white flowers ;

false face

a mask worn as part of a masquerade costume ;

false foxglove

multi-stemmed North American annual having solitary axillary dark golden-yellow flowers resembling those of the foxglove; sometimes placed in genus Gerardia ; sparsely branched North American perennial with terminal racemes of bright yellow flowers resembling those of the foxglove; sometimes placed in genus Gerardia ;

false fruit

a fleshy fruit (apple or pear or related fruits) having seed chambers and an outer fleshy part ;

false garlic

pungent Old World wild onion ;

false gavial

crocodile of southeast Asia similar to but smaller than the gavial ;

false glottis

the opening between the false vocal folds ;

false goatsbeard

North American astilbe with panicles of creamy white flowers ;

false gromwell

any of several North American perennial herbs with hairy foliage and small yellowish or greenish flowers ;

false hair

a covering or bunch of human or artificial hair used for disguise or adornment ;

false heather

North American decumbent evergreen heathlike plant with yellow flowers ;

false hellebore

perennial herbs of the lily family having thick toxic rhizomes ;

false imprisonment

(law) confinement without legal authority ;

false indigo

an erect to spreading hairy shrub of the Pacific coast of the United States having racemes of red to indigo flowers ; dense shrub of moist riverbanks and flood plains of the eastern United States having attractive fragrant foliage and dense racemes of dark purple flowers ; any of several plants of the genus Baptisia ;

false labor

painless contractions of the muscles of the uterus that continue throughout pregnancy with increasing frequency ;

false lily of the valley

small two-leaved herb of the northern United States and parts of Canada having racemes of small fragrant white flowers ; small white-flowered plant of western Europe to Japan ;

false lupine

western United States bushy herb having yellow pea-like flowers ;

false mallow

an American plant of the genus Malvastrum ; genus of coarse herbs and subshrubs of arid North and South America having pink or scarlet flowers and globose fruits ;

false mildew

any of various fungi of the family Peronosporaceae parasitic on e.g. grapes and potatoes and melons ;

false mistletoe

American plants closely resembling Old World mistletoe ;

false miterwort

stoloniferous white-flowered spring-blooming woodland plant ; plant with tiny white flowers hanging in loose clusters on leafy stems; moist woods from Alaska to central California and east to Montana ;

false mitrewort

stoloniferous white-flowered spring-blooming woodland plant ; plant with tiny white flowers hanging in loose clusters on leafy stems; moist woods from Alaska to central California and east to Montana ;

false morel

a fungus of the family Helvellaceae ;

false name

a name that has been assumed temporarily ;