Tag Archives: gymnosperms life cycle

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 Coniferae Order Cycadaeeae Classification system ...

Occurrence Gymnosperms are naked seeded plants. Gynmosperms are a group of ancient plants. They become dominant in the Jurassic period Most of the gymnosperms are evergreen trees. Some shrubby pl..flas are also found in this group. They have worldwide distribution. They are most abundant in the temperate region. The fossils of gymnosperms are found near coal and oil deposits. Life ...

 Gymnosperms-Cycas Study Occurrence Cycas has a limited distribution. It is found in south East Asia and Australia. Cycas is also cultivated as an ornamental plant in the gardens and parks. Cycas plants live upto hundred years or more. Cycas is called a living fossil. It has several characters common with the General structure The plant body is a sporophyte. It ...