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Botany Lec Pre-fi > Flower > Flashcards

Flower Flashcards

1
Q

Where is flower found?

A

Leaf axil

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2
Q

Does flowers undergo secodnary growth?

A

No

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3
Q

What are the parts of a complete flower?

A

Sepal, Petal, Stamen, Carpel (Pistil)

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4
Q

Stalk that connects the flower to the stem

A

Pedicel

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5
Q

This is the stalk of an entire inflorescence

A

Peduncle

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6
Q

Very end of the axil where flower parts are attached.

A

Receptacle

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7
Q

What do you call the part of a flower that is not part of the reproduction

A

Sterile

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8
Q

Lowermost and outermorst of the four whorls

A

Sepals

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9
Q

This whorl may be thick and waxy to protect the plant from dessication

A

Sepal

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10
Q

Collective name for sepals

A

Calyx

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11
Q

One of the four whorls that is above the sepal of the receptacle

A

Petals

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12
Q

Collective name for petals

A

Corolla

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13
Q

Collective name for petals and sepals

A

Perianth

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14
Q

Is involvucre the receptacle of an inflorescence?

A

No

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15
Q

What do you call the outer whorl when you cannot differentiate the sepal and petals?

A

Tepals

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16
Q

What do you call the collective term of stamen

A

Androecium

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17
Q

What produces the pollen of the flower?

A

Stamen

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18
Q

What do you see inside an anther

A

Four long columns of pollen sacs

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19
Q

What do you find inside the pollen sac?

A

Microspore

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20
Q

What do pollen sacs contain?

A

Pollen grain

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21
Q

Gives nourishment to cells forming to be pollen grain.

A

Tapetum

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22
Q

It is an immature endosporic male gametophyte

A

Pollen

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23
Q

Two layers of a pollen?

A

Exine and Intine

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24
Q

What synthesizes the exine?

A

Tapetum

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25
Q

The outer layer of a pollen that consists of a polymer sporopollenin

A

Exine

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26
Q

shields the DNA in pollen and spores from light, heat, cold and desiccation.

A

Sporopollenin

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27
Q

What is the intine composed of?

A

Celluloase and pectin

27
Q

The inner layer of pollen

A

Intine

28
Q

The basic unit of gynoecium

A

Carpel part of the gynoecium composed of an ovary, one or more style

28
Q

Refers to the collective term for all female organss mo of the flower

A

Gynoecioum

28
Q

Catches the pollen grain

A

Stigma

29
Q

This elevates the stigma in advantageous position

A

Style

30
Q

This is where megaspores atr produced

A

Ovary

31
Q

Regions of tissue that bear the ovules

A

Placentae

32
Q

What connects the ovule to the placenta?

A

Funiculus

33
Q

Seeds attached to placenta via ?

A

nucellus

34
Q

Radial symmetry
○ a.k.a. regular flowers

A

Actinomorphic

35
Q

Bilateral symmetry two planes only

A

zygomorphic

35
Q

lack any plane of symmetry

A

Asymmetrical

35
Q

A collection nor aggregation of flowers on individual plant

A

inflorescence

36
Q

type of inflorescence that Terminal flower usually opens first

A

Determinate

37
Q

type of inflorescence that Lowest and outermost flowers open first

A

Indeterminate

38
Q

example of raceme

A

orchid

38
Q

Spike-like inflorescence with
imperfect flowers that occur in the
same inflorescence has a spathe = petal-like bract

A

spadix

38
Q

lower stalks are proportionally
longer so that the flowers form a
flat or slightly convex head

A

corymb

38
Q

Similar to raceme, but the flowers
have no pedicel

A

spike

39
Q

Examples of spadix:

A

Spathiphyllum wallisii
Arecaceae

40
Q

Examples of panicle

A

Mangifera indica

41
Q

Example of spike

A

triticum aestivum

42
Q

Example of plants that are apomixis

A

Garcinia mangostana
Hieracium pilosella
rutaceae
citrus microcarpa

42
Q

what is the outcome of the ovary as it develops?

A

fruit

42
Q

What happens with the 2 sperms produced by microgametophyte

A

1 fertilizes the egg cell (2n)
one fertilized the polar nuclei (3n)

42
Q

What is the outcome of the ovule as it develops

A

seeds

42
Q

this is the form of asexual reproduction where the development of an embryo does not need fertilization

A

apomixis

43
Q

What cell of the microspore undergoes mitosis?

A

generative cells.

43
Q

refers to the
development of megaspores from the megasporocyte

A

megasporogenesis

43
Q

is development of
the female gametophyte from the haploid product(s) of meiosis

A

megagametogenesis

44
Q

What happens to the pollen tube nucleus, the
other synergid, and the antipodal cells after
fertilization?

A

degenerate

45
Q

this direct the pollen tube and it
enters the micropyle

A

synergids

46
Q

this is obtaining a portion of a leaf, stem, or
root, and replanting it

A

cutting

47
Q

new individual develops from some
generative anatomical point of the
parent organism

A

budding

48
Q

combining a scion of one plant and
connecting it to the stock of another

A

grafting

49
Q

tissue culture or cell culture techniques

A

micropropagation

49
Q

3 types of layering

A

air layering, simple layering and mound layering

50
Q

give monoecious plants

A
  • Zea mays
  • Cucumis sativus
  • Artocarpus heterophyllus
51
Q

give dioecious plants

A
  • Asparagus officinalis
  • Carica papaya
  • Ginko biloba
52
Q

example of determinate inflorescence

A

Jasminum sambac

Botany Lec Pre-fi (4 decks)

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