Flowers Flashcards

(34 cards)

1
Q

Functions of Flowers

A

Reproduction, seed formation, attraction for pollinators

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2
Q

External Anatomy of Flowers

A

Petals, Sepals, Penduncle(pedicel), Receptacle

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3
Q

What are petals?

A

The colored parts of the flower to attract animal pollinators.

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4
Q

What are sepals?

A

The outermost part, leaf-life structures that are located at the base of the flower. Protects the flower bud before it ooens

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5
Q

What us the penduncle(pedicel)

A

The stem or the stalk that supports the flower and connects it to the plant.

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6
Q

What are receptacle?

A

Thickened part of the stem at the base of the flower that holds the floral organs together.

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7
Q

What are the internal anatomy of a flower?

A

Stamen and Carpel or Pistil

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8
Q

What is a stamen and its parts?

A

It is the male reproductive system. Anther and Filament

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9
Q

What is a Carpel and it is also known as? and its parts

A

It is also known as pistil and it is the female reproductive part. Its parts are stigma, style, ovary, and ovule

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10
Q

Located at the top of the stamen, it produces and holds pollen, which contains the male gametes (sperm cell)

A

Anther

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11
Q

The thin stalk that holds up the anther, positioning it so that pollinators or wind can carry the pollen away

A

Filament

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12
Q

What is a stigma?

A

The sticky top of a pistil where pollen lands and adheres.

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13
Q

Why is the stigma sticky?

A

Its stickiness helps capture pollen grains for fertilization

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14
Q

What is a style?

A

A long, slender stalk that connects the stigma to the ovary.

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15
Q

Which part allows the pollen tube to grow down to the ovary for fertilization?

A

Style

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16
Q

Which part contains the male gametes?

17
Q

Which part holds the flower upright to make it accessible to pollinators and also provides nutrients and water to the flower?

A

Penducle (pedicel)

18
Q

It provides structural support to the flower particularly during growth

19
Q

What is an ovary?

A

The rounded base of the pistil, which contains one or more ovules

20
Q

After fertilization, what will happen to the ovary?

A

It will develop into a fruit, protecting the seeds inside

21
Q

Which part contains the female gametes?

22
Q

What is an ovule?

A

Located within the ovary, ovules contain the female gametes

23
Q

After fertilization, ovules becomes what?

24
Q

Characteristics of a regular flower

A

Radial symmetry and their petals are uniformly arranged around the center

25
Irregular flower characteristics
Have bilateral symmetry, its petals are different in sizes, shape, and orientation
26
What are monoecious plants?
have both male and female flowers on the same plant and can self pollinate
27
Male flowers (staminate) and female flowers (pistillate) are separate but found on the same plant
Monoecious plants
28
What are dioecious plants?
Have male and female flowers on separate plants
29
Plants that can cross pollinate
Dioecious plants
30
Perfect flowers have?
both male and female parts in the same flowers
31
What are imperfect flowers?
have only male or only female parts, not both
32
What is the outermost part of the ovary?
Ovary wall
33
What is inflorescence?
It is the arrangement of flowers on a stem or branch. It refers to the way flowers are clustered or positioned on a plant
34
A complete flower contains what parts?
Sepals, Petals, Pistils, and Stamen