双子叶植物
6.A flowering plant with two embryonic seed leaves or cotyledons that usually appear at germination.
8.Some 60%of monocotyledons and 40%of dicotyledons are polyploid, as are 90% of ferns, many bryophytes, and some algae.
10.an order of dicotyledonous plants including Moraceae and Urticaceae and Ulmaceae.


