Noun | 1. | ![]() magnoliid dicot genus - genus of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms family Myristicaceae, Myristicaceae, nutmeg family - family of aromatic tropical trees with arillate seeds Myristica fragrans, nutmeg, nutmeg tree - East Indian tree widely cultivated in the tropics for its aromatic seed; source of two spices: nutmeg and mace |