L11 Plant Science: Anatomy: Flowers Flashcards
(32 cards)
What supports the aerial parts of a plant?
Stem
What supports the leaves of a plant?
Petioles
What are the respiratory and nutritive parts of a plant?
Leaves
What supports the flowers of a plant?
Peduncles
What are the reproductive organs of a plant?
Flowers
Where do petioles and peduncles emerge from the main stem?
Node
What is the length of the stem between nodes called?
Internode
What are the buds at the end of a petiole or peduncle called?
Apical buds
What are the buds growing from nodes also called?
Axillary buds (or lateral buds)
What does the term ‘monoecious’ mean?
Monoecious means having separate male and female reproductive organs on the same plant
The term is derived from Greek, where ‘mon’ means single and ‘oîk(os)’ means house.
What is a common form of monoecious plants?
Hermaphrodite flowers
Hermaphrodite flowers contain both male and female reproductive structures.
Fill in the blank: Monoecious plants have separate male and female reproductive organs on the same _______.
plant
What does dioecious mean?
Plants that produce single sex flowers and require separate male and female plants for reproduction.
The term comes from Greek, where ‘di’ means two and ‘oîk(os)’ means house.
Give an example of a dioecious plant.
Ginkgo biloba
What is the perianth?
anth = flower
Outer protective layer surrounding reproductive organs (comprises sepals and petals)
The perianth serves to protect the inner reproductive structures of the flower.
What are sepals?
Green, leaf-like outermost layer of the perianth, collectively called the Calyx
Perianth - protective layer around developing reproductive parts
What are petals?
Innermost layer of the perianth, collectively called the Corolla
Perianth - protective layer around developing reproductive parts
Petals attract pollinators with their color and scent.
What is the function of the receptacle?
Platform where flower parts attach to the stalk
The receptacle supports the flower and houses the floral organs.
What is a peduncle?
Flower stalk
The peduncle holds the flower and provides support.
What is the collective name for all female reproductive plant structures?
Pistil
The pistil comprises various components including the ovary, style, and stigma.
What does the ovary contain?
Ovules
The ovary is the swollen base section of the pistil.
What is the function of the style in the pistil?
It serves as a stalk arising from the ovary
The style culminates in the stigma.
What is the stigma in the context of female reproductive structures?
Pollen receptor
The stigma receives pollen from male plant organs.
