01 n. A class of seed plants that produce an embryo with two cotyledons and net-veined leaves; divided into six (not always well distinguished) s…
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1.
A class of seed plants that produce an embryo with two 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.
Syn.
Dicotyledones, class Dicotyledones, Dicotyledonae, class Dicotyledonae, class Magnoliopsida.