class dicotyledonae
English Thesaurus
1. comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae (noun.plant)
hypernym | : | class, |
definition | : | (biology) a taxonomic group containing one or more orders (noun.group) |
member holonym | : | liliopsid family, monocot family, |
definition | : | family of flowering plants having a single cotyledon (embryonic leaf) in the seed (noun.plant) |
member holonym | : | dicot family, magnoliopsid family, |
definition | : | family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination (noun.plant) |
member holonym | : | dicot genus, magnoliopsid genus, |
definition | : | genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination (noun.plant) |
member holonym | : | magnoliidae, ranalian complex, subclass magnoliidae, |
definition | : | a group of families of trees and shrubs and herbs having well-developed perianths and apocarpous ovaries and generally regarded as the most primitive extant flowering plants; contains 36 families including Magnoliaceae and Ranunculaceae; sometimes classified as a superorder (noun.plant) |
member holonym | : | caryophyllidae, subclass caryophyllidae, |
definition | : | a group of families of mostly flowers having basal or central placentation and trinucleate pollen (binucleate pollen is commoner in flowering plants); contains 14 families including: Caryophyllaceae (carnations and pinks); Aizoaceae; Amaranthaceae; Batidaceae; Chenopodiaceae; Cactaceae (order Opuntiales); Nyctaginaceae; Phytolaccaceae; corresponds approximately to order Caryophyllales; sometimes classified as a superorder (noun.plant) |
member holonym | : | asteridae, subclass asteridae, |
definition | : | a group of mostly sympetalous herbs and some trees and shrubs mostly with 2 fused carpels; contains 43 families including Campanulales; Solanaceae; Scrophulariaceae; Labiatae; Verbenaceae; Rubiaceae; Compositae; sometimes classified as a superorder (noun.plant) |
member holonym | : | order primulales, primulales, |
definition | : | Primulaceae; Theophrastaceae; Myrsinaceae; and (in some classifications) Plumbaginaceae (noun.plant) |
member holonym | : | rosidae, subclass rosidae, |
definition | : | a group of trees and shrubs and herbs mostly with polypetalous flowers; contains 108 families including Rosaceae; Crassulaceae; Myrtaceae; Melastomaceae; Euphorbiaceae; Umbelliferae (noun.plant) |
member holonym | : | casuarinales, order casuarinales, |
definition | : | order of chiefly Australian trees and shrubs comprising the casuarinas; 1 family: Casuarinaceae (noun.plant) |
member holonym | : | gentianales, order gentianales, |
definition | : | an order of dicotyledonous plants having gamopetalous flowers; Gentianaceae; Apocynaceae; Asclepiadaceae; Loganiaceae; Oleaceae; Salvadoraceae (noun.plant) |
member holonym | : | oleales, order oleales, |
definition | : | coextensive with the family Oleaceae; in some classifications included in the order Gentianales (noun.plant) |
member holonym | : | hamamelidae, subclass hamamelidae, |
definition | : | a group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed or lacking; flowers often unisexual and often in catkins and often wind pollinated; contains 23 families including the Betulaceae and Fagaceae (includes the Amentiferae); sometimes classified as a superorder (noun.plant) |
member holonym | : | dilleniidae, subclass dilleniidae, |
definition | : | a group of families of more or less advanced trees and shrubs and herbs having either polypetalous or gamopetalous corollas and often with ovules attached to the walls of the ovary; contains 69 families including Ericaceae and Cruciferae and Malvaceae; sometimes classified as a superorder (noun.plant) |
member holonym | : | order urticales, urticales, |
definition | : | an order of dicotyledonous plants including Moraceae and Urticaceae and Ulmaceae (noun.plant) |
member holonym | : | ebenales, order ebenales, |
definition | : | trees or shrubs of the families Ebenaceae or Sapotaceae or Styracaceae or Symplocaceae (noun.plant) |
member holonym | : | order sarraceniales, sarraceniales, |
definition | : | plants that are variously modified to serve as insect traps: families Sarraceniaceae; Nepenthaceae; Droseraceae (noun.plant) |
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