gymnosperms

a female sex organ occurring in mosses, ferns, and most gymnosperms

n a female sex organ occurring in mosses, ferns, and most gymnosperms

primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms

palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders

n an ancestral fossil type from which modern gymnosperms are thought to have derived