plant order

Definitions of plant order
  1. noun
    the order of plants
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    Anthocerotales, order Anthocerotales
    hornworts; liverworts having a thalloid gametophyte; in some classification systems included in the class Hepaticopsida
    Andreaeales, order Andreaeales
    comprises a single genus: Andreaea
    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
    Eubryales, order Eubryales
    mosses with perennial erect gametophores and stems with rows of leaves and drooping capsules
    Sphagnales, order Sphagnales
    coextensive with the genus Sphagnum; in some classifications isolated in a separate subclass
    Jungermanniales, order Jungermanniales
    large order of chiefly tropical liverworts
    Marchantiales, order Marchantiales
    liverworts with gametophyte differentiated internally
    Sphaerocarpales, order Sphaerocarpales
    small order sometimes included in the order Jungermanniales
    Gnetales, order Gnetales
    chiefly tropical or xerophytic woody plants; practically unknown as fossils but considered close to the ancestral line of angiosperms
    Cycadales, order Cycadales
    primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms
    Bennettitales, order Bennettitales
    fossil gymnospermous plants of the Carboniferous
    Cycadofilicales, Lyginopteridales, order Cycadofilicales, order Lyginopteridales
    fossil gymnospermous trees or climbing plants from the Devonian: seed ferns
    Cordaitales, order Cordaitales
    extinct plants having tall arborescent trunks comparable to or more advanced than cycads; known from the Pennsylvanian period; probably extinct since the Mesozoic era
    Coniferales, order Coniferales
    profusely branching and chiefly evergreen trees and some shrubs having narrow or needlelike leaves
    Taxales, order Taxales
    coextensive with the family Taxaceae: yews
    Ginkgoales, order Ginkgoales
    coextensive with the family Ginkgoaceae: plants that first appeared in the Permian and now represented by a single surviving species; often included in Coniferales
    Ranales, Ranunculales, order Ranales, order Ranunculales
    herbs, shrubs and trees: includes families Ranunculaceae; Annonaceae; Berberidaceae; Magnoliaceae; Menispermaceae; Myristicaceae; Nymphaeaceae; Lardizabalaceae; Lauraceae; Calycanthaceae; Ceratophyllaceae; Cercidiphyllaceae
    Myricales, order Myricales
    coextensive with the family Myricaceae
    Arales, order Arales
    Araceae; Lemnaceae
    Aristolochiales, order Aristolochiales
    order of plants distinguished by tubular petaloid perianth and inferior ovary
    Caryophyllales, Chenopodiales, order Caryophyllales, order-Chenopodiales
    corresponds approximately to the older group Centrospermae
    Opuntiales, order Opuntiales
    coextensive with the family Cactaceae: cactuses
    Papaverales, Rhoeadales, order Papaverales, order Rhoeadales
    an order of dicotyledonous plants
    Campanulales, order Campanulales
    an order of plants of the subclass Asteridae including: Campanulaceae; Lobeliaceae; Cucurbitaceae; Goodeniaceae; Compositae
    Orchidales, order Orchidales
    order of plants with irregular flowers having minute seeds: Orchidaceae; Burmanniaceae
    Primulales, order Primulales
    Primulaceae; Theophrastaceae; Myrsinaceae; and (in some classifications) Plumbaginaceae
    Plumbaginales, order Plumbaginales
    coextensive with the family Plumbaginaceae; usually included in order Primulales
    Graminales, order Graminales
    grasses; sedges; rushes
    Pandanales, order Pandanales
    families Typhaceae; Sparganiaceae; Pandanaceae
    Malvales, order Malvales
    Malvaceae; Bombacaceae; Elaeocarpaceae; Sterculiaceae; Tiliaceae
    Umbellales, order Umbellales
    plants having umbels or corymbs of uniovulate flowers; includes the Umbelliferae (chiefly herbs) and Cornaceae (chiefly trees or shrubs)
    Proteales, order Proteales
    coextensive with the family Proteaceae
    Casuarinales, order Casuarinales
    order of chiefly Australian trees and shrubs comprising the casuarinas; 1 family: Casuarinaceae
    Ericales, order Ericales
    Ericaceae; Clethraceae; Diapensiaceae; Epacridaceae; Lennoaceae; Pyrolaceae; Monotropaceae
    Diapensiales, order Diapensiales
    used in some classifications: coextensive with family Diapensiaceae
    Fagales, order Fagales
    an order of dicotyledonous trees of the subclass Hamamelidae
    Gentianales, order Gentianales
    an order of dicotyledonous plants having gamopetalous flowers; Gentianaceae; Apocynaceae; Asclepiadaceae; Loganiaceae; Oleaceae; Salvadoraceae
    Oleales, order Oleales
    coextensive with the family Oleaceae; in some classifications included in the order Gentianales
    Juglandales, order Juglandales
    coextensive with the family Juglandaceae
    Myrtales, Thymelaeales, order Myrtales, order Thymelaeales
    Myrtaceae; Combretaceae; Elaeagnaceae; Haloragidaceae; Melastomaceae; Lecythidaceae; Lythraceae; Rhizophoraceae; Onagraceae; Lecythidaceae; Punicaceae
    Musales, order Musales
    tropical plants
    Hypericales, Parietales, order Hypericales, order Parietales
    a large order of dicotyledonous plants of subclass Dilleniidae
    Guttiferales, order Guttiferales
    used in some classifications; coextensive with Parietales
    Urticales, order Urticales
    an order of dicotyledonous plants including Moraceae and Urticaceae and Ulmaceae
    Liliales, order Liliales
    an order of monocotyledonous plants including Amaryllidaceae and Liliaceae and Iridaceae
    Palmales, order Palmales
    coextensive with the family Palmae: palms
    Plantaginales, order Plantaginales
    coextensive with the family Plantaginaceae
    Polygonales, order Polygonales
    coextensive with the family Polygonaceae,
    Commelinales, Xyridales, order Commelinales, order Xyridales
    an order of monocotyledonous herbs
    Alismales, Naiadales, order Alismales, order Naiadales
    an order of aquatic monocotyledonous herbaceous plants
    Rosales, order Rosales
    in some classifications this category does not include Leguminosae
    Rubiales, order Rubiales
    an order of dicotyledonous plants of the subclass Asteridae; have opposite leaves and an inferior compound ovary
    Geraniales, order Geraniales
    an order of plants of subclass Rosidae including geraniums and many other plants; see Euphorbiaceae; Geraniaceae; Rutaceae; Malpighiaceae; Simaroubaceae; Meliaceae; Zygophyllaceae; Tropaeolaceae
    Salicales, order Salicales
    coextensive with the family Salicaceae
    Santalales, order Santalales
    order of plants distinguished by having a one-celled inferior ovary; many are parasitic or partly parasitic usually on roots
    Sapindales, order Sapindales
    an order of dicotyledonous plants
    Ebenales, order Ebenales
    trees or shrubs of the families Ebenaceae or Sapotaceae or Styracaceae or Symplocaceae
    Sarraceniales, order Sarraceniales
    plants that are variously modified to serve as insect traps: families Sarraceniaceae; Nepenthaceae; Droseraceae
    Polemoniales, order Polemoniales
    Polemoniaceae; Solanaceae; Boraginaceae; Labiatae; Lentibulariaceae; Pedaliaceae; in some classifications includes the order Scrophulariales
    Scrophulariales, order Scrophulariales
    used in some classification systems; often included in the order Polemoniales
    Ophioglossales, order Ophioglossales
    coextensive with the family Ophioglossaceae
    Rhamnales, order Rhamnales
    an order of dicotyledonous plants
    Piperales, order Piperales
    Piperaceae; Saururaceae; Chloranthaceae
    Filicales, Polypodiales, order Filicales, order Polypodiales
    true (leptosporangiate) ferns
    Marattiales, order Marattiales
    lower ferns coextensive with the family Marattiaceae
    Psilotales, order Psilotales
    lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots
    Psilophytales, order Psilophytales
    Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants
    Equisetales, order Equisetales
    lower tracheophytes in existence since the Devonian
    Lepidodendrales, order Lepidodendrales
    fossil arborescent plants arising during the early Devonian and conspicuous throughout the Carboniferous
    Lycopodiales, order Lycopodiales
    lower vascular plants coextensive with the family Lycopodiaceae; in some classifications includes the Selaginellaceae and Isoetaceae
    Selaginellales, order Selaginellales
    in some classifications included in Lycopodiales
    Isoetales, order Isoetales
    aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales
    Ericaceae, family Ericaceae, heath family
    heathers
    type of:
    order
    (biology) taxonomic group containing one or more families
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