dicotyledon(redirected from Dicotyledons)
Also found in: Thesaurus, Medical, Encyclopedia.
di·cot·y·le·don(dī′kŏt′l-ēd′n) also di·cot (dī′kŏt′)
Any of various flowering plants that are not monocotyledons, having two cotyledons in the seed and usually flower parts in multiples of four or five, leaves with reticulate venation, pollen with three pores, and the capacity for secondary growth. The dicotyledons, which include the eudicotyledons and the magnoliids, are no longer considered to form a single valid taxonomic group.
di′cot′y·le′don·ous (-l-ēd′n-əs) adj.
1. (Plants) Often shortened to: dicot 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. Compare monocotyledon
2. (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
di•cot•y•le•don(daɪˌkɒt lˈid n, ˌdaɪ kɒt l-)
any flowering plant of the class Dicotyledones having two embryonic seed leaves, flower parts in fours or fives, and net-veined leaves: includes most broad-leaved flowering trees and plants.
[1720–30; < New Latin]
di·cot·y·le·don(dī′kŏt′l-ēd′n) or di·cot (dī′kŏt′)
A flowering plant having two cotyledons that usually appear at germination of the seed. Dicotyledons have leaves with a network of veins radiating from a central main vein, flower parts in multiples of 4 or 5, and a tissue layer known as cambium. Most cultivated plants and many trees are dicotyledons. See more at leaf. Compare monocotyledon.
A flowering plant that has two cotyledons in its seed.
Switch to new thesaurus
|Noun||1.||dicotyledon - flowering plant with two cotyledons; the stem grows by deposit on its outside|
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
acerola, barbados cherry, Malpighia glabra, Surinam cherry, West Indian cherry - tropical American shrub bearing edible acid red fruit resembling cherries