木兰纲

植

[ noun ]
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>

Magnoliopsida \Magnoliopsida\ n.
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.
[WordNet 1.5]