Topic Navigator
Noun Tree | Nouns Groups | Verb Groups | Searchnoun.plant
1 - 200 of 8030 results next
- Plantae, kingdom Plantae, plant kingdom
(botany) the taxonomic kingdom comprising all living or extinct plants - microflora
microscopic plants - plant cell
a cell that is a structural and functional unit of a plant - cell wall
a rigid layer of polysaccharides enclosing the membrane of plant and prokaryotic cells - crop
a cultivated plant that is grown commercially on a large scale - endemic
a plant that is native to a certain limited area - holophyte
an organism that produces its own food by photosynthesis - non-flowering plant
a plant that does not bear flowers - plantlet
a young plant or a small plant - wilding
a wild uncultivated plant (especially a wild apple or crabapple tree) - semi-climber
a plant that tends to climb and on occasion can grow like a vine - Thallophyta
used only in former classifications: comprising what is now considered a heterogeneous assemblage of flowerless and seedless organisms: algae - thallophyte
any of a group of cryptogamic organisms consisting principally of a thallus and thus showing no differentiation into stem and root and leaf - button
any of various plant parts that resemble buttons - thallus
a plant body without true stems or roots or leaves or vascular system - crustose thallus
thin crusty lichen thallus - cap, pileus
a fruiting structure resembling an umbrella or a cone that forms the top of a stalked fleshy fungus such as a mushroom - calyptra
the hood or cap covering the calyx of certain plants: e.g., the California poppy - volva
cuplike structure around the base of the stalk of certain fungi - ascocarp
mature fruiting body of an ascomycetous fungus - acervulus
small asexual fruiting body resembling a cushion or blister consisting of a mat of hyphae that is produced on a host by some fungi - basidiocarp
the fruiting body of a basidiomycete which bears its spores on special cells - peridium
outer layer of the spore-bearing organ in many fungi - ascoma
an ascocarp having the spore-bearing layer of cells (the hymenium) on a broad disklike receptacle - apothecium
a cuplike ascocarp in many lichens and ascomycetous fungi - cleistothecium, cleistocarp
closed spore-bearing structure of some fungi (especially Aspergillaceae and Erysiphaceae) from which spores are released only by decay or disintegration - domatium
a part of a plant (e.g., a leaf) that has been modified to provide protection for insects or mites or fungi - podetium
an organ or body resembling a stalk - seta
stalk of a moss capsule - Tracheophyta, division Tracheophyta
in former classifications: comprising plants with a vascular system including ferns and fern allies as well as seed plants - plant order
the order of plants - ornamental
any plant grown for its beauty or ornamental value - pot plant
a plant suitable for growing in a flowerpot (especially indoors) - acrogen
any flowerless plant such as a fern (pteridophyte) or moss (bryophyte) in which growth occurs only at the tip of the main stem - apomict
a plant that reproduces or is reproduced by apomixis - aquatic
a plant that lives in or on water - Bryophyta, division Bryophyta
a division of nonflowering plants characterized by rhizoids rather than true roots and having little or no organized vascular tissue and showing alternation of generations between gamete-bearing forms and spore-bearing forms - bryophyte, nonvascular plant
any of numerous plants of the division Bryophyta - moss
tiny leafy-stemmed flowerless plants - moss family
a family of mosses - moss genus
a genus of mosses - Anthoceropsida, class Anthoceropsida
hornworts: in some classification systems included in the class Hepaticopsida - Anthocerotales, order Anthocerotales
hornworts - Anthocerotaceae, family Anthocerotaceae
hornworts - Anthoceros, genus Anthoceros
hornworts - hornwort
liverworts with slender hornlike capsules - Bryopsida, class Bryopsida, Musci, class Musci
true mosses: bryophytes having leafy rather than thalloid gametophytes: comprises orders Andreaeales - acrocarp, acrocarpous moss
a moss in which the main axis is terminated by the archegonium (and hence the capsule) - pleurocarp, pleurocarpous moss
a moss having the archegonium or antheridium on a short side branch rather than the main stalk - Andreaeales, order Andreaeales
comprises a single genus: Andreaea - Andreaea, genus Andreaea
brown or blackish Alpine mosses having a dehiscent capsule with 4 longitudinal slits - Bryales, order Bryales
category used in some classification systems for mosses having the spore case separated from the capsule wall by a hollow intercellular space - Dicranales, order Dicranales
widely distributed order of mosses with erect gametophores and sporophytes at the tips of stems - Dicranaceae, family Dicranaceae
mosses having costate leaves and long-stalked capsules with cleft peristome - Dicranum, genus Dicranum
type genus of Dicranaceae - Eubryales, order Eubryales
mosses with perennial erect gametophores and stems with rows of leaves and drooping capsules - Bryaceae, family Bryaceae
a family of acrocarpous mosses - Bryum, genus Bryum
type genus of the Bryaceae: mosses distinguished by mostly erect and tufted gametophytes and symmetrical short-necked capsules - Mniaceae, family Mniaceae
family of erect mosses with club-shaped paraphyses and the hexagonal cells of the upper leaf surface - Mnium, genus Mnium
mosses similar to those of genus Bryum but larger - Sphagnales, order Sphagnales
coextensive with the genus Sphagnum - genus Sphagnum
a large genus constituting the order Sphagnales: atypical mosses of temperate bogs with leaves that can hold much water - sphagnum, sphagnum moss, peat moss, bog moss
any of various pale or ashy mosses of the genus Sphagnum whose decomposed remains form peat - Hepaticopsida, class Hepaticopsida, Hepaticae, class Hepaticae
liverworts: comprises orders Anthocerotales - liverwort, hepatic
any of numerous small green nonvascular plants of the class Hepaticopsida growing in wet places and resembling green seaweeds or leafy mosses - Jungermanniales, order Jungermanniales
large order of chiefly tropical liverworts - leafy liverwort, scale moss
moss-like liverwort with tiny scalelike leaves - Jungermanniaceae, family Jungermanniaceae
comprising the leafy members of the order Jungermanniales - Marchantiales, order Marchantiales
liverworts with gametophyte differentiated internally - Marchantiaceae, family Marchantiaceae
liverworts with prostrate and usually dichotomously branched thalli - Marchantia, genus Marchantia
type genus of Marchantiaceae - hepatica, Marchantia polymorpha
a common liverwort - Sphaerocarpales, order Sphaerocarpales
small order sometimes included in the order Jungermanniales - Sphaerocarpaceae, family Sphaerocarpaceae
liverworts with bilaterally symmetrical gametophytes - Sphaerocarpus, genus Sphaerocarpus, Sphaerocarpos, genus Sphaerocarpos
type genus of Sphaerocarpaceae - Pteridophyta, division Pteridophyta
containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns - genus Pecopteris
genus of Carboniferous fossil ferns - pecopteris
Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb - pteridophyte, nonflowering plant
plants having vascular tissue and reproducing by spores - fern
any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward - fern ally
pteridophytes of other classes than Filicopsida - agamete
an asexual reproductive cell - spore
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 - basidiospore
a sexually produced fungal spore borne on a basidium - endospore
a small asexual spore that develops inside the cell of some bacteria and algae - carpospore
a nonmotile spore of red algae - chlamydospore
thick-walled asexual resting spore of certain fungi and algae - conidium, conidiospore
an asexually produced fungal spore formed on a conidiophore - conidiophore
a specialized fungal hypha that produces conidia - oospore
a thick-walled sexual spore that develops from a fertilized oosphere in some algae and fungi - oosphere
a gamete - resting spore
a spore of certain algae or fungi that lies dormant - teliospore
a chlamydospore that develops in the last stage of the life cycle of the rust fungus - tetraspore
one of the four asexual spores produced within a sporangium - zoospore
an asexual spore of some algae and fungi that moves by means of flagella - fern seed
the asexual spore of ferns that resembles dust - fructification
organs of fruiting (especially the reproductive parts of ferns and mosses) - gleba
fleshy spore-bearing inner mass of e.g. a puffball or stinkhorn - hymenium
spore-bearing layer of cells in certain fungi containing asci or basidia - pycnidium
flask-shaped asexual structure containing conidia - sporocarp, spore case
specialized leaf branch in certain aquatic ferns that encloses the sori or clusters of sporangia - stipule
a small leafy outgrowth at the base of a leaf or its stalk - tepal
an undifferentiated part of a perianth that cannot be distinguished as a sepal or a petal (as in lilies and tulips) - Spermatophyta, division Spermatophyta
seed plants - Phanerogamae
in former classification systems: one of two major plant divisions, including all seed-bearing plants - Cryptogamia
in former classification systems: one of two major plant divisions, including all plants that do not bear seeds: ferns, mosses, algae, fungi - cryptogam
formerly recognized taxonomic group including all flowerless and seedless plants that reproduce by means of spores: ferns, mosses, algae, fungi - spermatophyte, phanerogam, seed plant
plant that reproduces by means of seeds not spores - seedling
young plant or tree grown from a seed - balsam
any seed plant yielding balsam - annual
(botany) a plant that completes its entire life cycle within the space of a year - biennial
(botany) a plant having a life cycle that normally takes two seasons from germination to death to complete - perennial
(botany) a plant lasting for three seasons or more - escape
a plant originally cultivated but now growing wild - hygrophyte
a plant that grows in a moist habitat - neophyte
a plant that is found in an area where it had not been recorded previously - gymnosperm family
a family of gymnosperms - gymnosperm genus
a genus of gymnosperms - monocot family, liliopsid family
family of flowering plants having a single cotyledon (embryonic leaf) in the seed - liliid monocot family
family of monocotyledonous plants of the subclass Liliidae - monocot genus, liliopsid genus
genus of flowering plants having a single cotyledon (embryonic leaf) in the seed - liliid monocot genus
genus of monocotyledonous plants comprising mostly herbs having usually petaloid sepals and petals and compound pistils - dicot family, magnoliopsid family
family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination - magnoliid dicot family
family of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms - hamamelid dicot family
family of mostly woody dicotyledonous flowering plants with flowers often unisexual and often borne in catkins - caryophylloid dicot family
family of relatively early dicotyledonous plants including mostly flowers - dilleniid dicot family
family of more or less advanced dicotyledonous trees and shrubs and herbs - asterid dicot family
family of more or less advanced dicotyledonous herbs and some trees and shrubs - rosid dicot family
a family of dicotyledonous plants - dicot genus, magnoliopsid genus
genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination - magnoliid dicot genus
genus of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms - hamamelid dicot genus
genus of mostly woody relatively primitive dicotyledonous flowering plants with flowers often unisexual and often borne in catkins - caryophylloid dicot genus
genus of relatively early dicotyledonous plants including mostly flowers - dilleniid dicot genus
genus of more or less advanced dicotyledonous trees and shrubs and herbs - asterid dicot genus
genus of more or less advanced dicotyledonous herbs and some trees and shrubs - rosid dicot genus
a genus of dicotyledonous plants - fungus family
includes lichen families - fungus genus
includes lichen genera - fungus order
the order of fungi - Gymnospermae, class Gymnospermae, Gymnospermophyta, division Gymnospermophyta
plants having naked seeds not enclosed in an ovary - gymnosperm
plants of the class Gymnospermae having seeds not enclosed in an ovary - progymnosperm
an ancestral fossil type from which modern gymnosperms are thought to have derived - Gnetopsida, class Gnetopsida, Gnetophytina, subdivision Gnetophytina, Gnetophyta
gymnospermous flowering plants - Gnetales, order Gnetales
chiefly tropical or xerophytic woody plants - Gnetaceae, family Gnetaceae
plants having small unisexual flowers and fleshy or winged fruit: in some classifications includes the genera Ephedra and Welwitschia as well as genus Gnetum - genus Gnetum
type genus of the Gnetaceae - gnetum, Gnetum gnemon
small tropical tree with tiered branches and divaricate branchlets having broad glossy dark green leaves - Ephedraceae, family Ephedraceae
ephedras: in some classifications included in the Gnetaceae - Catha, genus Catha
a genus of African evergreen shrubs characterized by thick leaves and white flowers - Catha edulis
a shrub that is cultivated by Arabs for its leaves which are chewed or used to make tea - genus Ephedra
type and sole genus of Ephedraceae: tropical and subtropical evergreen shrubby or creeping plants native to dry and inhospitable regions - ephedra, joint fir
jointed and nearly leafless desert shrub having reduced scalelike leaves and reddish fleshy seeds - mahuang, Ephedra sinica
Chinese ephedra yielding ephedrine - Welwitschiaceae, family Welwitschiaceae
in some classifications included in the Gnetaceae - genus Welwitschia, genus Welwitchia
type and sole genus of Welwitschiaceae - welwitschia, Welwitschia mirabilis
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 - Cycadopsida, class Cycadopsida, Cycadophytina, subdivision Cycadophytina, Cycadophyta, subdivision Cycadophyta
palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders - Cycadales, order Cycadales
primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms - cycad
any tropical gymnosperm of the order Cycadales - Cycadaceae, family Cycadaceae, cycad family
ancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids - Cycas, genus Cycas
type genus of Cycadaceae: genus of widely distributed Old World evergreen tropical trees having pinnate leaves and columnar stems covered with persistent bases of old leaves - sago palm, Cycas revoluta
dwarf palmlike cycad of Japan that yields sago - false sago, fern palm, Cycas circinalis
southeastern Indian cycad with palmlike foliage - Zamiaceae, family Zamiaceae, zamia family
a family of cycads often included in the family Cycadaceae: zamias - genus Zamia
genus of small evergreen tropical and subtropical American cycads - zamia
any of various cycads of the genus Zamia - coontie, Florida arrowroot, Seminole bread, Zamia pumila
small tough woody zamia of Florida and West Indies and Cuba - genus Ceratozamia
small genus of Mexican cycads - ceratozamia
a small cycad of the genus Ceratozamia having a short scaly woody trunk and fernlike foliage and woody cones - genus Dioon
small genus of arborescent cycads of Mexico and Central America - dioon
any cycad of the genus Dioon - genus Encephalartos
genus of arborescent African cycads - encephalartos
any of numerous cycads of the genus Encephalartos having stout cylindrical trunks and a terminal crown of long often spiny pinnate leaves - kaffir bread, Encephalartos caffer
South African cycad - genus Macrozamia
genus of large evergreen Australian cycads - macrozamia
any treelike cycad of the genus Macrozamia having erect trunks and pinnate leaves and large cones with sometimes edible nuts - burrawong, Macrozamia communis, Macrozamia spiralis
large attractive palmlike evergreen cycad of New South Wales - Bennettitales, order Bennettitales
fossil gymnospermous plants of the Carboniferous - Bennettitaceae, family Bennettitaceae
a family of fossil gymnospermous plants of the Carboniferous - Bennettitis, genus Bennettitis
type of the Bennettitales - Pteridospermopsida, class Pteridospermopsida
extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies - Cycadofilicales, order Cycadofilicales, Lyginopteridales, order Lyginopteridales
fossil gymnospermous trees or climbing plants from the Devonian: seed ferns - Pteridospermae, group Pteridospermae, Pteridospermaphyta, group Pteridospermaphyta
used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales - Lyginopteris, genus Lyginopteris
genus of fossil seed ferns of the Carboniferous - seed fern, pteridosperm
an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae) - Coniferopsida, class Coniferopsida, Coniferophytina, subdivision Coniferophytina, Coniferophyta
cone-bearing gymnosperms dating from the Carboniferous period - Cordaitales, order Cordaitales
extinct plants having tall arborescent trunks comparable to or more advanced than cycads - Cordaitaceae, family Cordaitaceae
chiefly Paleozoic plants - Cordaites, genus Cordaites
tall Paleozoic trees superficially resembling modern screw pines - Pinopsida, class Pinopsida, Pinophytina, subdivision Pinophytina
most conifers: in some systems classified as a class (Pinopsida) and in others as a subdivision (Pinophytina) - Coniferales, order Coniferales
profusely branching and chiefly evergreen trees and some shrubs having narrow or needlelike leaves - Pinaceae, family Pinaceae, pine family
a family of Pinaceae - Pinus, genus Pinus
type genus of the Pinaceae: large genus of true pines - pine, pine tree, true pine
a coniferous tree - pine
straight-grained durable and often resinous white to yellowish timber of any of numerous trees of the genus Pinus - knotty pine
pine lumber with many knots - white pine
soft white wood of white pine trees - yellow pine
hard yellowish wood of a yellow pine - pinon, pinyon
any of several low-growing pines of western North America - nut pine
any of several pinons bearing edible nutlike seeds