1. Anatomy of a flower anther pollen stamen (male) filament stigma style
Carpel/pistil
(female)
style
ovary
ovule
petal
whorl = corolla
worksheet questions
whorls
receptacle
sepal
whorl = calyx
pedicel

2. Flower formula:
(gynoecium = ovary)

3. Types of flowering plants
Monocots
- 1 seed leaf (cotyledon)
- flower parts in multiples of 3
- leaf veins parallel
- leaves originate at base of plant

4. bamboo
Grass Family (Poaceae)
Petals absent, cluster of “florets”
floret
maize
rice
wheat

5. ornamental lilies
Lily Family (Liliaceae)
Regular flower shape
Bulb or fleshy root
onion

6. Orchid Family (Orchidaceae)
Irregular flowers
Dorsal petal highly modified

7. 2. Dicots
- 2 seed leaves (cotyledons)
flower parts in multiples of 4 or 5
leaf veins branched
- tap root

8. Rose Family (Rosaceae) Regular flower Petals independent Many stamen
“stone fruits”
peach
almond
cherry
“berries”
blackberry
strawberry

9. Legume Family (Fabaceae)
Seeds occur in pods
Roots have nitrogen-fixing bacteria

10. Daisy Family (Asteraceae)
Dense infloresence of ray and disk flowers
Artichoke
Sunflower

11. Nightshade Family (Solanaceae)
Flowers regular, 5-parted
potato
tomato
peppers

12. Cucumber Family (Cucurbitaceae)
Climbing herbs with tendrils
Inferior ovary
squash
melons

13. Some terms used in dichotomous key:
Regular/radial flower
Irregular/bilateral flower
primrose
orchid

14. Fused corolla
Separate petals

15. Stamens attached to elongated tube
Malva (e.g., Hibiscus)

17. Inflorescence – a cluster of flowers

18. Dense head on a common receptacle, surrounded
by bracts (capitulum)
bracts
ray flowers
disc flowers

19. Inflorescence coilied in a scorpion’s tail or
fiddle neck

20. Inflorescence an umbel

21. Square stem