1. in collaboration with:
Mira Vista School Garden: Plant Pollination - Advanced school year
Dennis Shusterman & Joni Stickney, Contra Costa County Master Gardeners
in collaboration with:
Gabriella Rossi, Brett Lackey, Sarita Pockell & Melanie Pepper West Contra Costa County Unified School District

2. Objectives To recognize the structures within flowers
To understand what pollination is and how it occurs
To appreciate how flowers, by producing seeds and fruit, reproduce plants and provide food
To understand why it is important to protect the environment for insect (and other) pollinators

3. Edible garden plants: What do we eat?
Part
Example
Leaves
Spinach

4. Edible garden plants: What do we eat?
Part
Example
Leaves
Spinach
Stems
Asparagus

5. Edible garden plants: What do we eat?
Part
Example
Leaves
Spinach
Stems
Asparagus
Roots
Carrots

6. Edible garden plants: What do we eat?
Part
Example
Leaves
Spinach
Stems
Asparagus
Roots
Carrots
Flowers
Broccoli

7. Edible garden plants: What do we eat?
Part
Example
Leaves
Spinach
Stems
Asparagus
Roots
Carrots
Flowers
Broccoli
Fruit
Strawberry

8. Edible garden plants: What do we eat?
Part
Example
Leaves
Spinach
Stems
Asparagus
Roots
Carrots
Flowers
Broccoli
Fruit
Strawberry
Seeds
Sunflower

9. Edible Plants: Types of Fruits

10. What parts does a typical flower have?

11. What parts does a typical flower have?
Petals
Sepals

12. What parts does a typical flower have?
Male = Stamen
Anther
Filament

13. What parts does a typical flower have?
Female = Pistil
Stigma
Style
Ovary

14. What parts does a typical flower have?
Male = Stamen
Anther
Filament
Female = Pistil
Stigma
Style
Ovary

15. The poppy: A “Typical flower”

16. The poppy: A “Typical flower”

17. But not all flowers are “typical” !!!
Irregular
(Legumes)
Composite
(Sunflower)
Imperfect (Corn)

18. Male and female flower parts on the same plant (“Monoecious”)
Types of Flowers
Male and female flower parts on the same plant (“Monoecious”)
Perfect flowers (Male and female parts on same flower)
Strawberry

19. Perfect Flowers: Strawberry

20. Male and female flower parts on the same plant (“Monoecious”)
Types of Flowers
Male and female flower parts on the same plant (“Monoecious”)
Perfect flowers (Male and female parts on same flower)
Strawberry
Imperfect flowers (Male and female parts on separate flowers)
Corn, Squash

21. Imperfect flowers on the same plant: Corn
Male Corn Flower
Female Corn Flower

22. Imperfect flowers on the same plant: Squash
Male Squash Flower
Female Squash Flower

23. Types of Flowers
Male and female flower parts on the same plant (“Monoecious”)
Male and female flowers on separate plants (“Dioecious”)
Perfect flowers (Male and female parts on same flower)
Strawberry
---
Imperfect flowers (Male and female parts on separate flowers)
Corn, Squash
Asparagus

24. Imperfect flowers on separate plants: Asparagus
Male Asparagus Flower
Female Asparagus Flower

25. Types of Flowers
Male and female flower parts on the same plant (“Monoecious”)
Male and female flowers on separate plants (“Dioecious”)
Perfect flowers (Male and female parts on same flower)
Strawberry
---
Imperfect flowers (Male and female parts on separate flowers)
Corn, Squash
Asparagus

26. What is pollination?

27. How does a perfect flower pollinate?
Male = Stamen
Anther
Female = Pistil
Stigma
Pollen

28. Self-pollination

29. Cross-pollination by wind

30. Cross-pollination by insects

31. What is pollination?

32. What is pollination?

33. What is pollination?

34. How does pollination occur?

35. How does pollination occur?
Wind

36. How does pollination occur?
Wind
Water

37. How does pollination occur?
Wind
Water
Insects

38. How does pollination occur?
Wind
Water
Insects
Bats

39. How does pollination occur?
Wind
Water
Insects
Bats
Birds

40. Animal pollinators: Bees

41. Animal pollinators: Flies

42. Animal pollinators: Butterflies

43. Animal pollinators: Moths

44. Animal pollinators: Wasps

45. Animal pollinators: Crawling insects

46. Animal pollinators: Bats

47. Animal pollinators: Birds

48. Major threats to pollinators
Habitat loss, fragmentation, & degradation
Non-native species & disease
Pollution, including pesticides
Climate change

51. Resources: Print & Interactive
Interactive Lessons on flower anatomy and pollination
Flower Anatomy Animation
Plant Breeding Animation
Flowers (technical animation)
Includes flower anatomy & classification; pollination & genetics
Major threats to pollinators

52. Resources: Videos Pollinators: Putting Food on the Table
Pollination: Trading Food for Fertilization
The Beauty of Pollination
Flowers and Pollination
Introduction to Pollination
Pollination of Plants
Types of Pollination