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Basic Plant Structure. Vocabulary Germination –Hypogeous –Epigeous Seed Structures Seed Seed coat Cotyledon Embryo Endosperm Hypocotyl Radicle Epicotyl.

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Presentation on theme: "Basic Plant Structure. Vocabulary Germination –Hypogeous –Epigeous Seed Structures Seed Seed coat Cotyledon Embryo Endosperm Hypocotyl Radicle Epicotyl."— Presentation transcript:

1 Basic Plant Structure

2 Vocabulary Germination –Hypogeous –Epigeous Seed Structures Seed Seed coat Cotyledon Embryo Endosperm Hypocotyl Radicle Epicotyl (plumule)

3 Parts of a seed Dicot Monocot Seed coat Epicotyl Cotyledons Hypocotyl Seed coatEndosperm Epicotyl Hypocotyl Radicle Cotyledon

4 Seed Germination MonocotDicot Hypogeous Epigeous Radicle

5 Vocabulary Shoots Evergreen/Deciduous Annual/Biennial/Perennial Xylem (earlywood/latewood) Phloem Cambium Meristem Shoots Leaf Petiole Axillary bud Opposite Alternate Whorled Node/Internode

6 Leaf Arrangement

7 Leaf Morphology

8

9 Flower Morphology

10 Structure: Flowers- missing parts Floral Parts Structure Reproduction Sepals, Petals, Complete Perfect Stamens, Pistil Sepals, Stamens, Incomplete Perfect Pistil Sepals, Stamens Incomplete Imperfect

11 Structure- Compound Flower/ Sunflower

12 Structure- Flower- Compound Pistil/ Strawberry

13 Structure: Leaf Types

14 Structure: Leaf Venation

15 Structure: Leaf Arrangement

16 Structure: Flower Parts

17 Tap root and Fibrous (Diffuse) Root Systems – Both arise from radicle

18 Comparison of Root Systems

19 Roots: Function Roots anchor the plant in the substratum or soil. Roots absorb water and dissolved nutrients or solutes (nitrogen, phosphorous, magnesium, boron, etc.) needed for normal growth, development, photosynthesis, and reproduction. In some plants, roots have become adapted for specialized functions.

20 Buttress Roots

21 Developing Root Stern 2006

22 Root Cross Section

23 Symbiotic Roots Legumes (e.g., pea, beans, peanuts) form root nodules. Mutualism between a plant and bacterium which allows for the fixation of atmospheric nitrogen to form that the plant can utilized. The bacterium is reward with food and a place to live

24 Symbiotic Roots Mycorrhizae or "fungus roots" where a symbiotic relationship forms between a plant and a fungus. In this partnership the fungus provides protection against some types of pathogens and increase the surface area for the absorption of essential nutrients (e.g. phosphorous) from the soil. The plant in return provides food for the fungus in the form of sugar and amino acids


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