Tag: gymnosperms and angiosperms

Gymnosperms

Gymnospermae They are shrub or trees. The trees are rdsinous. Stern has central pith. Vascular bundles are present in rings. Secondar) growth occurs due to cambium. Leaves are needle like. They form cones. Ovule is naked. It is not covered by ovary. Pollination occurs through direct contacts. It has three orders:F I. Order Gnetaceae Order [Continue]