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You do NOT have
to define these for
homework
angiosperms
anther
antipodal cells
axile
bracts
calyx
carpels
central cell
complete flower
compound pistil
corolla
dioecious
double fertilization
egg cell
embryo sac
endosperm
female gametophyte
filament
generative cell
gynoecium
imperfect
incomplete flower
inferior ovary
inflorescence
integuments
irregular symmetry
male gametophyte
megaspores
megasporocytes
micropyle
microspores
microsporocytes
monoecious
nectar guides
nectaries
ovary
ovules
pedicels
perfect
perianth
petals
pistil
polar nuclei
pollen grain
pollen sacs
pollen tube
pollination
raceme
receptacle
regular symmetry
seed
sepals
sperm cells
stamens
stigma
style
superior ovary
synergid cells
tube cell
zygote
Lesson Objectives Ch. 13
1.
Describe the parts of a complete flower and give the function of each.
2.
Explain the terminologies above associated with floral anatomy.
3.
Explain the structure and function of the male and female gametophytes in flowering plants.
4.
Completely describe the double fertilization that is unique to flowering plants.
5.
Describe the sites of flower development.
6.
Define terminology dealing with variations in floral morphology.
7.
Define inflorescence; name and define the variations in the text.
8.
Compare and contrast the reproductive strategies of self- and cross-pollination.
9.
Describe forms of asexual reproduction.
10. Name and describe various types of pollen vectors.
Botany - Bio 201
Lake Tahoe Community College
Spring
Instructor: Sue Kloss
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Chapter 13 - The Flower and Sexual Reproduction
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I. The flower: site of sexual reproduction
A. angiosperms
B. Flower development
C. The complete sexual cycle
II. Parts of a Complete Flower and Their Functions
A. A typical flower
1. Sepals:
2. Petals:
3. Stamens:
4. the gynoecium
5. The term perianth
B. The Male Organs of the Flower are the Androecium
1. The anther
a. microsporocytes
b. microspores
c. two celled pollen grain
d. produce sperm cells for fertilization
e. after pollen grains mature
f. pollination
g. pollen tube
h. secretes enzymes
C. The female organs of the flower are the Gynoecium
1. gynoecium
2. compound pistil
3. the ovary
4. the placenta
5. placentation
6. style with the stigma at its tip
7. ovule that eventually becomes the seed
8. megasporocyte
D. The embryo sac is the female gametophyte plant
1. four (n) megaspores
2. the 3 megaspore
3. the megaspore farthest from the micropyle
4. the embryo sac is the female gametophyte, a haploid or n plant
E. Double fertilization
1. the pollen tube
2. synergids
3. double fertilization
III. Apical meristems: sites of flower development
A. floral apex
B. the development of an inflorescence
C. flowers vary in their architecture
1. A complete flower
2. unisexual flowers
3. bisexual flowers
4. monoecious; dioecious
5. flowers may have regular symmetry
6. the parts of a flower
7. the ovary position
8. hypanthium
D. inflorescences
1. an inflorescence
2. types of inflorescences