1. Flower Characteristics
AGR 161

2. Objectives The students will be able to:
Label the parts of the flower.
Identify each parts function.
Recognize the different inflorescence types.

3. Flowers Flowers are produced primarily for their commercial purposes
Flowers come in various shapes, sizes and colors
Flowers are used for reproduction

4. Parts of the Flower

5. Sepals Green leaf-like structures beneath the petals.
Calyx is made up of all the sepals on one flower

6. Petals Usually brightly colored Primarily used to attract pollinators
Collectively petals are referred to as calyx

7. Stamens The male reproductive part of the flower is the stamens
2 parts Anther and Filament

8. Pistils The female reproductive parts of the flower
3 parts Stigma, Style, and Ovary
Ovary contains ovules or eggs

9. Inflorescence Inflorescence is the arrangement of flowers on a stem.
Some flowers are clustered at the tip of the stem, while other are likes spikes

10. Types of Inflorescence
Cyme
Spike
Raceme
Panicle
Corymb
Umbel
Spadix
Catkin
Head

11. Cyme
Usually a flat topped inflorescence
Baby’s Breath

12. Spike An elongated inflorescence with a central axis.
Flowers are attached to the inflorescence without a stem or stalk
Liatris

13. Raceme Elongated inflorescence with central axis.
Pedicels are more or less of equal length
Snapdragon

14. Panicle Elongated inflorescence
Along the central axis there are branches that are themselves branched
Astilbe

15. Corymb Flat topped inflorescence
Mainly a vertical axis with branches of unequal length
Yarrow

16. Umbel
Inflorescence having several branches arising from a common point
Queen Anne’s Lace

17. Spandix
Spike with a thickened, fleshy axis
Anthurium

18. Catkin Catkin is a spike, raceme, or cyme
Composed of unisexual flowers without petals
Falling as a unit
Willow Tree

19. Head Rounded or flat-topped cluster of sessile flowers
Type of Chrysanthemum

20. REVIEW

21. REVIEW
Spadix
Calla Lily

23. Catkin
Willow Tree

25. Cyme
Baby’s Breath

27. Spike
Liatris

29. Umbel
Queen Anne’s Lace

31. Panicle
Astible??

33. Head
Spider Mum

35. Raceme
Delphinium

37. Corymb
Yarrow