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The Collaborative International Dictionary of English v.0.48 (gcide)

Dicotyledonae \Dicotyledonae\ n. (Bot.)
a class of plants comprising those 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, class Dicotyledonae,
Magnoliopsida, class Magnoliopsida.
[WordNet 1.5]


Caryophyllidae \Caryophyllidae\ n.
a group of families of mostly flowers having basal or
free-central placentation and trinucleate pollen (binucleate
pollen is commoner in flowering plants); it contains 14
families including: {Caryophyllaceae} (carnations and pinks);
{Aizoaceae}; {Amaranthaceae}; {Batidaceae}; {Chenopodiaceae};
{Cactaceae} (order {Opuntiales}); {Nyctaginaceae};
{Phytolaccaceae}; it corresponds approximately to order
{Caryophyllales}; it is sometimes classified as a superorder.

Syn: subclass Caryophyllidae.
[WordNet 1.5]

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