South African shrub having a swollen succulent stem and bearing showy pink and white flowers after the leaves fall; popular as an ornamental in tropics
floating aquatic carnivorous perennial of central and southern Europe, Africa, Asia, Australia having whorls of 6 to 9 leaves ending in hinged lobes for capturing e.g. water fleas
stout erect perennial grass of northern parts of Old World having silky flowering spikes; widely cultivated for pasture and hay; naturalized in North America
(pregnancy) extraction by centesis of amniotic fluid from a pregnant woman (after the 15th week of pregnancy) to aid in the diagnosis of fetal abnormalities
dense shrub of moist riverbanks and flood plains of the eastern United States having attractive fragrant foliage and dense racemes of dark purple flowers
small bushy deciduous tree native to Asia and North Africa having pretty pink blossoms and highly prized edible nuts enclosed in a hard green hull; cultivated in southern Australia and California
Eurasian plant with apple-scented foliage and white-rayed flowers and feathery leaves used medicinally; in some classification systems placed in genus Anthemis
(computer science) a code for information exchange between computers made by different companies; a string of 7 binary digits represents each character; used in most microcomputers
small genus of tall striking annuals or perennials with grasslike foliage and flowers in dense racemes or panicles; Mediterranean to Himalayas; sometimes placed in family Asphodelaceae
any shrub or tree of the genus Banksia having alternate leathery leaves apetalous yellow flowers often in showy heads and conelike fruit with winged seeds
any of numerous plants of the genus Begonia grown for their attractive glossy asymmetrical leaves and colorful flowers in usually terminal cymes or racemes
perennial Eurasian herb with reddish bell-shaped flowers and shining black berries; extensively grown in United States; roots and leaves yield atropine
any of several South American ornamental woody vines of the genus Bougainvillea having brilliant red or purple flower bracts; widely grown in warm regions
any of numerous chiefly annual herbs of the genus Calendula widely cultivated for their yellow or orange flowers; often used for medicinal and culinary purposes
(botany) the whorl of sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing and supporting the developing bud; usually green
any orchid of the genus Cattleya characterized by a three-lobed lip enclosing the column; among the most popular and most extravagantly beautiful orchids known
perennial of southern Europe having clusters of fragrant flowers of all colors especially yellow and orange; often naturalized on old walls or cliffs; sometimes placed in genus Erysimum
any of numerous perennial Old World herbs having showy brightly colored flower heads of the genera Chrysanthemum, Argyranthemum, Dendranthema, Tanacetum; widely cultivated
tropical plant having thick hairy somewhat toothed leaves and solitary or clustered yellow to scarlet flowers; many cultivated for their flowers and ornamental foliage
tall leafy European biennial or perennial having spectacular clusters of large tubular pink-purple flowers; leaves yield drug digitalis and are poisonous to livestock
large branching biennial herb native to Eurasia and Africa and adventive in North America having large fernlike leaves and white flowers; usually found in damp habitats; all parts extremely poisonous
low-growing perennial plant having usually two large oblong lanceolate leaves and a raceme of small fragrant nodding bell-shaped flowers followed by scarlet berries
a rosid dicot genus of the family Cornaceae including: dogwood; cornel: perennial chiefly deciduous shrubs or small trees of temperate regions of northern hemisphere
flat-topped or convex inflorescence in which the individual flower stalks grow upward from various points on the main stem to approximately the same height; outer flowers open first
any shrub of the genus Cotoneaster: erect or creeping shrubs having richly colored autumn foliage and many small white to pinkish flowers followed by tiny red or black fruits
any of numerous low-growing plants of the genus Crocus having slender grasslike leaves and white or yellow or purple flowers; native chiefly to the Mediterranean region but widely cultivated
Mediterranean plant widely cultivated as a houseplant for its showy dark green leaves splotched with silver and nodding white or pink to reddish flowers with reflexed petals
any of several plants of or developed from the species Dahlia pinnata having tuberous roots and showy rayed variously colored flower heads; native to the mountains of Mexico and Central America and Colombia
any plant of the genus Delphinium having palmately divided leaves and showy spikes of variously colored spurred flowers; some contain extremely poisonous substances
any of various shrubs of the genus Deutzia having usually toothed opposite leaves and shredding bark and white or pink flowers in loose terminal clusters
tall leafy European biennial or perennial having spectacular clusters of large tubular pink-purple flowers; leaves yield drug digitalis and are poisonous to livestock
any of numerous low-growing cushion-forming plants of the genus Draba having rosette-forming leaves and terminal racemes of small flowers with scapose or leafy stems; fruit is a dehiscent oblong or linear silique
(computer science) a system of world-wide electronic communication in which a computer user can compose a message at one terminal that can be regenerated at the recipient's terminal when the recipient logs in
(computer science) the name given to a computer file in order to distinguish it from other files; may contain an extension that indicates the type of file
any plant of western America of the genus Gaillardia having hairy leaves and long-stalked flowers in hot vibrant colors from golden yellow and copper to rich burgundy
small Eurasian shrub having clusters of yellow flowers that yield a dye; common as a weed in Britain and the United States; sometimes grown as an ornamental
any of numerous plants of the genus Gladiolus native chiefly to tropical and South Africa having sword-shaped leaves and one-sided spikes of brightly colored funnel-shaped flowers; widely cultivated
chiefly terrestrial orchids with tubers or fleshy roots often having long slender spurs and petals and lip lobes; includes species formerly placed in genus Gymnadeniopsis
east Asian rhizomatous clump-forming perennial herbs having flowers on long leafless stalks; cosmopolitan in cultivation: day lilies; sometimes placed in subfamily Hemerocallidaceae
any of several plants of the genus Hepatica having three-lobed leaves and white or pinkish flowers in early spring; of moist and mossy subalpine woodland areas of north temperate regions
Asiatic shrub or small shrubby tree having showy bell-shaped rose or purple or white flowers and usually three-lobed leaves; widely cultivated in temperate North America and Europe
large genus of perennial hairy herbs of Europe to western Asia to northwestern Africa and North America; few are ornamental; often considered congeneric with Pilosella
hops: hardy perennial vines of Europe, North America and central and eastern Asia producing a latex sap; in some classifications included in the family Urticaceae
large almost cosmopolitan genus of evergreen or deciduous shrubs and herbs with often showy yellow flowers; cosmopolitan except tropical lowlands and Arctic or high altitudes and desert regions
a European mint with aromatic and pungent leaves used in perfumery and as a seasoning in cookery; often cultivated as a remedy for bruises; yields hyssop oil
strong-growing annual climber having large flowers of all shades of orange from orange-red to yellowish orange and seeds that are pickled and used like capers
any of various coarse shrubby plants of the genus Iva with small greenish flowers; common in moist areas (as coastal salt marshes) of eastern and central North America
small Mediterranean evergreen tree with small blackish berries and glossy aromatic leaves used for flavoring in cooking; also used by ancient Greeks to crown victors
genus of terrestrial orchids having usually a single pair of broad shining leaves near the middle of the stem; found in temperate Asia and North America and Europe
biennial yellow-flowered Eurasian plant having aromatic leaves used as carminative or flavoring agent; widely cultivated especially as green manure or cover crop
small Peruvian evergreen with broad rounded head and slender pendant branches with attractive clusters of greenish flowers followed by clusters of rose-pink fruits
an ornamental but poisonous flowering shrub having narrow evergreen leaves and clusters of fragrant white to pink or red flowers: native to East Indies but widely cultivated in warm regions
any of various chiefly deciduous ornamental shrubs of the genus Philadelphus having white sweet-scented flowers, single or in clusters; widely grown in temperate regions
genus of hairy perennial herbs with horizontal rhizomes and leafy or underground stolons; Eurasia and North Africa; often considered congeneric with Hieracium
any hardy bog orchid of the genus Pogonia: terrestrial orchids having slender rootstocks and erect stems bearing one or a few leaves and a solitary terminal flower
Mediterranean woody annual widely cultivated for its dense terminal spikelike clusters greenish or yellowish white flowers having an intense spicy fragrance
any shrub of the genus Rhododendron: evergreen shrubs or small shrubby trees having leathery leaves and showy clusters of campanulate (bell-shaped) flowers
deciduous or evergreen shrubs and shrubby trees of temperate and subtropical North America, South Africa, eastern Asia and northeastern Australia; usually limited to nonpoisonous sumacs (see genus Toxicodendron)
large shrub of tropical Africa and Asia having large palmate leaves and spiny capsules containing seeds that are the source of castor oil and ricin; widely naturalized throughout the tropics
perennial woodland native of North America having a red root and red sap and bearing a solitary lobed leaf and white flower in early spring and having acrid emetic properties; rootstock used as a stimulant and expectorant
perennial of coastal sands and shingles of northern Europe and Baltic and Black Seas having racemes of small white flowers and large fleshy blue-green leaves often used as potherbs
hardy annual cereal grass widely cultivated in northern Europe where its grain is the chief ingredient of black bread and in North America for forage and soil improvement
tall thornless shrub having pale yellow flowers and flexible rushlike twigs used in basketry; of southwestern Europe and Mediterranean; naturalized in California
a small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion
any of various plants of the genus Stapelia having succulent leafless toothed stems resembling cacti and large foul-smelling (often star-shaped) flowers
any of various shrubs or small trees of the genus Strophanthus having whorled leaves and showy flowers of various colors in dense and corymbose clusters; some have poisonous seeds
in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America
flat-topped or rounded inflorescence characteristic of the family Umbelliferae in which the individual flower stalks arise from about the same point; youngest flowers are at the center
type genus of the Viscaceae: Old World evergreen shrubs parasitic on many trees including oaks but especially apple trees, poplars, aspens and cottonwoods
Old World parasitic shrub having branching greenish stems with leathery leaves and waxy white glutinous berries; the traditional mistletoe of Christmas
curious plant of arid regions of southwestern Africa having a yard-high and yard-wide trunk like a turnip with a deep taproot and two large persistent woody straplike leaves growing from the base; living relic of a flora long disappeared; some may be 700-5000 years old
any of several evergreen plants of the genus Yucca having usually tall stout stems and a terminal cluster of white flowers; warmer regions of North America