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Plants 10
This document summarizes the plant kingdom, dividing plants into two main categories: flowering plants and non-flowering plants. Flowering plants are further divided into monocotyledonous and dicotyledonous plants based on whether their embryos have one or two cotyledons. Non-flowering plants include bryophytes like moss which lack roots and vascular tissue, ferns which have vascular tissue and reproduce via spores, and gymnosperms like conifers which bear seeds in cones but not flowers.
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Plants 10
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- 3. Bryophyte • No properstem or roots • No vascular tissues in the body • Grown in moist shady places • Make spores – Marchantia – Poganatum
- 4. Ferns • Have vasculartissues • The body is divided to stem ,roots and leaves • The stem is a Rhizome • Young leaves are tightly coiled • Spores are made in spore capsules at the back of the leaves – Dryneria – Nephrolepis – Salvinia
- 6. Gymnosperm • Seed-bearing vascularplant without flowers. • The body is divided to stem , roots and leaves • Seed are produced in cones – Pine – Cycus – Cypress
- 7. Angiosperm • flowering plants •Posses leaves ,roots and stem • Seeds are covered with seed coat • Divided into two groups – Monocotyledonous plant ( a plant with an embryo bearing a single cotyledon) – Dicotyledonous plant (a plant with an embryo bearing two cotyledons)
- 8. Monocotyledonous plant Dicotyledonousplant The embryo has only one cotyledons The embryo has two cotyledons Fibrous root system Tap root system Veins are parallel Veins are webbed Number of petals in a flower is 3 or multiple of three Number of petals in a flower is 5 or multiple of five