Plants

tall-stalked very woolly mullein with densely packed yellow flowers; ancient Greeks and Romans dipped the stalks in tallow for funeral torches

Philippine banana tree having leafstalks that yield Manila hemp used for rope and paper etc

a poplar that is widely cultivated in the United States; has white bark and leaves with whitish undersurfaces

bushy herb of tropical Asia grown for its yellow or pink to scarlet blooms that resemble the hibiscus

aromatic herb of temperate Eurasia and North Africa having a bitter taste used in making the liqueur absinthe

any of various spiny trees or shrubs of the genus Acacia

any plant of the genus Acanthus having large spiny leaves and spikes or white or purplish flowers; native to Mediterranean region but widely cul…

small dry indehiscent fruit with the seed distinct from the fruit wall

one of the small drupes making up an aggregate or multiple fruit like a blackberry

any of various usually poisonous plants of the genus Aconitum having tuberous roots and palmately lobed leaves and blue or white flowers

fruit of the oak tree: a smooth thin-walled nut in a woody cup-shaped base

cup-shaped structure of hardened bracts at the base of an acorn

a moss in which the main axis is terminated by the archegonium (and hence the capsule)

a moss in which the main axis is terminated by the archegonium (and hence the capsule)

any flowerless plant such as a fern (pteridophyte) or moss (bryophyte) in which growth occurs only at the tip of the main stem

stout tropical swamp fern (especially tropical America) having large fronds with golden yellow sporangia covering the undersides

a stiff sharp-pointed plant process

a tapering point

tropical shrub having glossy foliage and fragrant nocturnal flowers with crimped or wavy corollas; northern India to Thailand

ferns with fertile spikes shaped like a snake's tongue

ferns with fertile spikes shaped like a snake's tongue

root growing in an unusual location e.g. from a stem

plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it

a saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the underside

fungus used in the preparation of punk for fuses

tropical American plants with basal rosettes of fibrous sword-shaped leaves and flowers in tall spikes; some cultivated for ornament or for fiber

any plant of the genus Ageratum having opposite leaves and small heads of blue or white flowers

rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers; sometimes placed in…

epiphytic fern with large fronds; Taiwan and Philippines

a plant of the genus Agrimonia having spikelike clusters of small yellow flowers

any of several deciduous Asian trees of the genus Ailanthus

plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it

north temperate shrubs or trees having toothed leaves and conelike fruit; bark is used in tanning and dyeing and the wood is rot-resistant

wood of any of various alder trees; resistant to underwater rot; used for bridges etc

tansy-scented Eurasian perennial herb with buttonlike yellow flowers; used as potherb or salad green and sometimes for potpourri or tea or flavo…

trailing European aromatic plant of the mint family having rounded leaves and small purplish flowers often grown in hanging baskets; naturalized…

European herb somewhat resembling celery widely naturalized in Britain coastal regions and often cultivated as a potherb

important European leguminous forage plant with trifoliate leaves and blue-violet flowers grown widely as a pasture and hay crop

European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep redd…

perennial or biennial herb cultivated for its delicate usually blue flowers

deciduous shrubs having aromatic bark; eastern China; southwestern and eastern United States

aromatic West Indian tree that produces allspice berries

small bushy deciduous tree native to Asia and North Africa having pretty pink blossoms and highly prized edible nuts enclosed in a hard green hu…

succulent plants having rosettes of leaves usually with fiber like hemp and spikes of showy flowers; found chiefly in Africa

any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea

any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea

any of several herbs of the genus Heuchera

any garden plant of the genus Alyssum having clusters of small yellow or white flowers

any of various plants of the genus Amaranthus having dense plumes of green or red flowers; often cultivated for food

seed of amaranth plants used as a native cereal in Central and South America

bulbous plant having showy white to reddish flowers

any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much h…

a cylindrical spikelike inflorescence

any plant of the genus Amorpha having odd-pinnate leaves and purplish spicate flowers

West Indian tree bearing edible fruit resembling mango

a male gametoecium

any of several shrubs of the genus Andromeda having leathery leaves and clusters of small flowers

broad-leaved evergreen Asiatic shrub with glossy leaves and drooping clusters of white flowers

fern of Florida and West Indies and Central America with rhizome densely clad in grown hairs

any woodland plant of the genus Anemone grown for its beautiful flowers and whorls of dissected leaves

any of various tall and stout herbs of the genus Angelica having pinnately compound leaves and small white or greenish flowers in compound umbels

tree bearing fruit enclosed in a shell or involucre or husk

plants having seeds in a closed ovary

the bitter bark of a South American tree; used in medicines and liqueurs and bitters

shrub of West Indies and South America that is a source of indigo dye

native to Egypt but cultivated widely for its aromatic seeds and the oil from them used medicinally and as a flavoring in cookery

(botany) a plant that completes its entire life cycle within the space of a year

small short-lived fern of Central and South America

(Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar

small short-lived fern of Central and South America

the part of the stamen that contains pollen; usually borne on a stalk

the male sex organ of spore-producing plants; produces antherozoids; equivalent to the anther in flowers

a motile male gamete of a plant such as an alga or fern or gymnosperm

a plant that reproduces or is reproduced by apomixis

(botany) a natural swelling or enlargement: at the base of the stalk or seta in certain mosses or on the cone scale of certain conifers

a cuplike ascocarp in many lichens and ascomycetous fungi

native Eurasian tree widely cultivated in many varieties for its firm rounded edible fruits

Asian tree having clusters of usually white blossoms and edible fruit resembling the peach

a plant that lives in or on water

ferns that grow in water

any of several tall South American or Australian trees with large cones and edible seeds

tree (as opposed to shrub)

any of several Asian and North American conifers of the genera Thuja and Thujopsis

any of several evergreen shrubs of the genus Arbutus of temperate Europe and America

a biennial cultivated herb; its stems are candied and eaten and its roots are used medicinally

a female sex organ occurring in mosses, ferns, and most gymnosperms

primitive cell or group of cells from which a mother cell develops

primitive cell or group of cells from which a mother cell develops

any of various lecanoras that yield the dye archil

any of several tall tropical palms native to southeastern Asia having egg-shaped nuts

large west African tree having large palmately lobed leaves and axillary cymose panicles of small white flowers and one-winged seeds; yields sof…

fleshy and usually brightly colored cover of some seeds that develops from the ovule stalk and partially or entirely envelops the seed

used especially in treating bruises

any of various rhizomatous usually perennial plants of the genus Arnica

any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe

tufted perennial found in shallow water or marshland; sometimes poisons livestock

canna grown especially for its edible rootstock from which arrowroot starch is obtained

white-flowered West Indian plant whose root yields arrowroot starch

any of various composite shrubs or herbs of the genus Artemisia having aromatic green or greyish foliage

one of a string of thick walled vegetative resting cells formed by some algae and fungi

a body that resembles a spore but is not an endospore; produced by some bacteria

Mediterranean thistlelike plant widely cultivated for its large edible flower head

any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe

starch resembling sago that is obtained from cuckoopint root

thick creeping evergreen herb of western Europe

any plant of the family Asclepiadaceae

any fungus of the class Ascomycetes (or subdivision Ascomycota) in which the spores are formed inside an ascus

any fungus of the class Ascomycetes (or subdivision Ascomycota) in which the spores are formed inside an ascus

sexually produced fungal spore formed within an ascus

saclike structure in which ascospores are formed through sexual reproduction of ascomycetes

any of various deciduous pinnate-leaved ornamental or timber trees of the genus Fraxinus

strong elastic wood of any of various ash trees; used for furniture and tool handles and sporting goods such as baseball bats

plant whose succulent young shoots are cooked and eaten as a vegetable

any of several trees of the genus Populus having leaves on flattened stalks so that they flutter in the lightest wind

a mold causing aspergillosis in birds and man

any of various chiefly Mediterranean plants of the genera Asphodeline and Asphodelus having linear leaves and racemes of white or pink or yellow…

small European fern with chaffy leathery fronds

tropical Old World or Australian epiphytic fern frequently forming tufts in tree crotches

a fern of the genus Schaffneria

Eurasian fern with simple lanceolate fronds