Criteria | Angiosperms | Gymnosperms |
Definition | Seed-producing flowering plants whose seeds are enclosed within an ovary. | Seed-producing non-flowering plants whose seeds are unenclosed or naked. |
Seeds | Enclosed inside an ovary, usually in a fruit. | Bare, not enclosed; found on scales, leaves or as cones. |
Life Cycle | Seasonal (die during autumn/fall). | Evergreen |