PLANTS.pptx angispem and gmnspem plants.

PLANTS.pptx angispem and gmnspem plants.

1. Gymnosperms & Angiosperms

2. Gymnosperms Vascular plants that produce seeds – no flowers and fruits Seeds in cones or hard berries Four groups Conifers Cycads Gingkos Gnetophytes Most are evergreens Cycad Gingko Conifer Gnetophyte

3. Conifers Trees that grow cones are in a group called conifers. The cones of the conifers are very important because they are the place where the tree makes and shelters its seeds.

4. GINKGO Ginkgo is a hardy, pest-resistant, and attractive large tree. It has unusual fan-shaped leaves that turn vivid yellow in fall. Only male trees should be purchased, as the females produce seeds with a soft, fruitlike covering that can be messy and have a potent odor.

5. CYCAD Cycads are gymnosperms distinguished by crowns of large pinnately compound leaves and by cones, which are typically borne at the end of the trunk in the centre of whorled branches. Some cycads have tall unbranched trunks with an armourlike appearance; others have partially buried stems with swollen (tuberous) trunks.

6. GNETOPHYTES are a strange group of plants. They include approximately 70 species of gymnosperms that each exhibit a number of flowering characteristics which have led people to believe they may be the predecessors to the flowering angiosperm plants.(tuberous) trunks.

7. Life Cycle of a Gymnosperm Sapling Tree Cone Seeds

8. Angiosperms Vascular plants that produce flowers that can produce seeds or fruits Produce pollen Bees help transfer pollen Seeds in fruit Not all fruit is edible Mostly Deciduous – leaves die in the winter

9. Life Cycle of an Angiosperm