1. Plant Parts and Functions
By :
Alisa Kowalski
Jessi Spry
Alyson Wilson

2. Parts of The Plant

3. Roots Taproot System 2 Types of Root Systems
Primary root grows down from the stem with some small secondary roots forming
Examples: Carrots & Turnips

4. Roots
Fibrous System
Small lateral roots that spread out just below the soil’s surface
Examples: Corn & Beans

5. Parts of the Root Epidermis Cortex Outermost layer of cells
Tissue inside epidermis that stores starch and other substances necessary for the growth of the root

6. Parts of the Root Root Cap Root Hairs Vascular Tissue
Provides protection for the root tip
Root Hairs
Site of absorption
Vascular Tissue
Within cortex, contains cells that transport water, nutrients, and minerals to all parts of the plant

7. Roots have 4 primary functions
Root Functions
Roots have 4 primary functions
1. Absorption of water and nutrients
(performed by root hairs)
2. Transportation of water and nutrients to stem
3. Anchor plant to maintain stability
4. Store food and water

8. Leaves Blade Petiole Midrib Main body of leaf Attaches blade to stem
Large central vein

9. Leaves Apex Base Margin Tip of leaf
Attaches to petiole, if petiole is absent attaches directly to stem
Margin
Edge of leaf

10. Leaves Epidermis Stomata Mesophyll
Responsible for gas and water exchange
Stomata
Opening in epidermis where gas and water exchange
Mesophyll
Middle layer of leaf where photosynthesis occurs

11. Important Functions of Leaves
Photosynthesis
Process that plants use to produce their food
6CO2 + 6H2OC6H O2
Transpiration
Loss of water and exchange of carbon dioxide

12. Parts of the Stem Node Internode Lenticles
Areas where side branches and leaves develop from
Internode
Area between nodes
Lenticles
Small holes located in the stem (breathing pores)

14. Functions of the Stem
1. Transports water and nutrients from roots to leaves
2. Supports leaves, fruits and flowers
3. Food Storage

15. Examples: Strawberries & Tulips
Fruit Classification
Aggregate
Develop from a single flower with many ovaries
Examples: Strawberries & Tulips

16. Fruit Classification Multiple
Fruit develops from a group of tightly clustered flowers
Examples: Pineapples & Figs

17. Fruit Classification Simple Develop from a single ovary
Examples: Cherries & Tomatoes

18. Site of seed production
Fruit’s Function
Site of seed production

20. Flower Parts Pistil Female part of plant Consists of: Stigma Style
Ovary

21. Flower Parts
Stamen
Male reproductive organ
Consists of:
Anther
Stamen

22. Flower Parts Petals Sepals
Highly colored part of the flower, may contain perfume and/or nectar glands
Sepals
Small green structures on the base of a flower that protect the flower bud

23. Flower Classification
Complete flower
Has all four male and female parts
Incomplete flower
Missing one of the four male or female parts
Perfect flower
Has stamens and pistils
Imperfect flower
Lacking either stamens or pistils

24. Flower Function Sexual Reproduction is the flowers sole function
Pollination by:
Wind
Insects and Birds

25. Parts of the Seed Embryo Growing part of seed Endosperm
Tissue that provides nutrition for the developing seed
Cotyledon
Food storage tissue

26. Parts of the Seed Seedcoat Protective outer covering of the seed
Scutellum
Absorbs the endosperm