Test 2 Plant Reproductive Strategies Flashcards
(74 cards)
What is the literal meaning of Angiosperms?
“Vessel” “Seed”
What do all Angiosperms have in common?
They produce flowers and fruits
How many species of Angiosperms are there?
240k
What are the two groups of Angiosperms?
Monocots & Dicots
What is the definition of a flower?
Sexual reproductive structure of plants, especially of angiosperms (flowering plants)
What are monoecious flowers?
Monoecious plants have male flowers and female flowers in separate structures on the same plant. “Mono” means one - and the term “monoecious” is literally “one house”. The same plant houses different flowers, some being male the others being female
What are complete flowers?
A flower having sepals, petals, stamens, and pistils is complete; lacking one or more of such structures, it is said to be incomplete
What are bisexual flowers?
One that possesses both male (pollen-producing) and female (seed-producing) parts;
What are dioecious flowers?
Dioecious plants house the male and female flowers on different plants. So not only does the plant have separate male/female flowers, they have male plants (with only male flowers) and female plants (with only female flowers).
What are incomplete flowers?
A flower having sepals, petals, stamens, and pistils is complete; lacking one or more of such structures, it is said to be incomplete.
What are unisexual flowers?
Possesses either stamens or carpels but not both. A plant may be unisexual (dioecious), possessing only male flowers or female flowers; or it may be monoecious with male and female reproductive organs borne in the same flower or in different unisexual flowers but on the same plant.
What is the inflorescence of a dogwood tree?
Head
What is the difference in a sterile and reproductive flower series?
Sterile don’t make pollen or egg.
What is a calyx? What is its function?
The outer and first part of the flower. Petals and everything else forms in the calyx until it it ready to bloom.
What are sepals that look like petals called?
Tepal
What are the leaves that look like petals called?
Bracts
What is the corolla?
The petals of a flower, typically forming a whorl within the sepals and enclosing the reproductive organs.
What is the perianth?
The outer part of a flower, consisting of the calyx (sepals) and corolla (petals).
LM: of Androecium?
House of man
2 parts of the stamen
Anther & filament
What is the function of the anther?
Make pollen. Tip of the flower’s stamen (male reproductive organs) - it contains pollen
What is the literal meaning of Gynoecium?
Female house
What are the 3 parts of the pistil?
Stigma, neck or style, and ovary
What is the function of the ovary?
Where egg matures. Enlarged base.
