di·cot·y·le·don (d  k tl- d n) also di·cot (dkt)n. A flowering plant with two embryonic seed leaves or cotyledons that usually appear at germination. di coty·ledon·ous (-l-dn- s) adj. |
dicotyledon [daɪˌkɒtɪˈliːdən ˌdaɪkɒt-]
n
1. (Life Sciences & Allied Applications / Plants) any flowering plant of the class Dicotyledonae, normally having two embryonic seed leaves and leaves with netlike veins. The group includes many herbaceous plants and most families of trees and shrubs
2. (Life Sciences & Allied Applications / Botany) primitive dicotyledon. any living relative of early angiosperms that branched off before the evolution of monocotyledons and eudicotyledons. The group comprises about 5 per cent of the world's plants Often shortened to dicot Compare monocotyledon
dicotyledonous adj
| dicotyledon (dktl-dn) or dicot (dkt) An angiosperm that is not a monocotyledon, having two cotyledons in the seed. The term dicotyledon serves as a convenient label for the eudicotyledons, the magnoliids, and a varied group of other angiosperms, but it does not correspond to a single taxonomic group. Compare monocotyledon. See more at eudicotyledonleafmagnoliid |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  dicotyledon - flowering plant with two cotyledons; the stem grows by deposit on its outsideangiosperm, flowering plant - plants having seeds in a closed ovary class Dicotyledonae, class Dicotyledones, class Magnoliopsida, Dicotyledonae, Dicotyledones, Magnoliopsida - 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 jiqui, Malpighia obovata - Cuban timber tree with hard wood very resistant to moisture acerola, barbados cherry, Malpighia glabra, Surinam cherry, West Indian cherry - tropical American shrub bearing edible acid red fruit resembling cherries cyrilla family, Cyrilliaceae, family Cyrilliaceae, titi family - shrubs and trees with leathery leaves and small white flowers in racemes: genera Cyrilla and Cliftonia |
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