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Botany > Plant Anatomy Final > Flashcards

Plant Anatomy Final Flashcards

1
Q

Describe Selaginella’s spores

A
  • Heterosporous
  • Megaspore (tetrad)
  • Microspores
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2
Q

Spike mosses, like resurrection fern

A

Selaginales

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3
Q

Is the germination of Equisetum exosporic or endosporic?

A

Exosporic

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4
Q

Describe Equisetum’s tapetum

A

plasmodial

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5
Q

Portion of embryo that differentiates into root tissues

A

Root

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6
Q

Describe Selaginella’s embryo polarity

A

Endoscopic, has a suspensor.

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7
Q

A suspensor is only found in plants with polarity.

A

Endoscopic

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8
Q

Is Lycopodium Leptosporangiate or Eusporangiate?

A

Eusporangiate, with kidney-shaped sporangia

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9
Q
  • Known as “whisk fern”
  • grows wild and is a greenhouse pest.
A

Psilotum

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10
Q

What type of embryo polarity does Psilotum have?

A

Exoscopic

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11
Q

What kind of embryo polarity does Lycopodium have?

A

Endoscopic

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12
Q

Is Isoetes homosporous or heterosporous?

A

Heterosporous

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13
Q

What type of leaves does Isoetes have?

A

microphylls

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14
Q

What kind of tapetum does Psilotum have?

A

Plasmodial

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15
Q

Is Psilotum heterothallic or homothallic?

A

Homothallic

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16
Q

Is the gametophyte of Equisetum homothallic or heterothallic?

A

Usually homothallic

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17
Q

What kind of tapetum does Lycopodium have?

A

Secretory

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18
Q

What type of leaves does psilotum have?

A

Emergences

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19
Q
  • A-cell is up into the archegonium
  • B-cel is at the base of the archegonium
  • typical of psilotum, tmesipteris, and equisetum
A

Exoscopic

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20
Q
  • Most common polarity
  • A-cell is at the base of the archegonium
  • B-cell is directed upwards
  • typical of lycophytes and all seed plants
A

Endoscopic Polarity

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21
Q

The three orders of Division Lycophyta

A
  • Lycopsidales
  • Selaginales
  • Isoetales
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22
Q

Is Lycopodium’s gametophyte homothallic or heterothallic?

A

Homothallic, and photosynthetic!

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23
Q
  • Sporangia wall originate from a few surface cells
A

eusporangiate (primitive)

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24
Q

Describe Equisetum’s spores

A
  • Homosporous
  • Have elaters
  • has “functional heterospory”
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25
Q

vascular cryptogam

A

contains vascular tissue spore reproduction (no seeds)

26
Q

What kind of tapetum does Isoetes have?

A

secretory

27
Q

Is Psilotum Eusporangiate or Leptosporangiate?

A

Eusporangiate

28
Q

Is Lycopodium heterosporous or homosporous?

A

Homosporous

29
Q

Describe Equisetum’s sporangia

A
  • Eusporangiate
  • Strobilate of unusual design
30
Q

Does Isoetes have true roots?

A

Yes

31
Q

Is Psilotum endosporic or exosporic?

A

Exosporic

32
Q

What kind of leaves does Lycopodium have?

A

Micorophylls

33
Q

“spring-like” structure that pushes the embryo into the gametophyte in order to diges it for nutrients.

A

Suspensor

34
Q

What kind of leaves does Selaginalla have?

A

Microphylls

35
Q

Quill worts

A

Isoetales

36
Q

Is Lycopodium exosporic or endosporic?

A

Exosporic

37
Q

Is the gametophyte of Isoetes homothallic or heterothallic?

A

Heterothallic

38
Q
A
39
Q

Club mosses and ground pines

A

Lycopsidales

40
Q

Describe Equisetum’s embryo polarity

A

Exoscopic

41
Q

Describe selaginalla’s sporangia

A
  • Eusporangiate
  • round
  • adaxial on sporophyll
  • strobillate
42
Q

Portion of developing embryo that produces leaves and stems

A

Apex

43
Q

Diploid, primitive nourishing tissue.

A

Tapetum

44
Q

Does Equisetum have true roots?

A

Yes

45
Q

What kind of embryo polarity does Isoetes have?

A

Endoscopic

46
Q

What kind of leaves does Equisetum have?

A

Microphylls

47
Q

Does Lycopodium have true roots?

A

Yes

48
Q

Cells living inside the sporangium start digesting and releasing enzymes. Typical of selaginalla, lycopodium, Isoetes, and all gymnosperms and angiosperms

A

Secretory tapetum

49
Q
  • VERY broad cortex
  • Uniseriate epidermis w/stomata
  • Well developed chlorenchyma w/many chloroplasts
  • Endodermis present
  • Actinostele or Siphonostele sometimes with a sclerotic pith
  • Exarch xylem development
  • sieve cells w/sieve areas
A

Psilotum

50
Q

Division: Psilophyta

A

Psilotum and Tmesipteris

51
Q

Does Psilotum have true roots?

A

No

52
Q

Does Selaginella have true roots?

A

Yes

53
Q

During germination, is Selaginella endosporic or exosporic?

A

Endosporic

54
Q

During germination, is Isoetes exosporic or endosporic?

A

Endosporic

55
Q

Portion of embryo that provides nutrition (nutriative hautorial organ)

A

Foot

56
Q
  • Tropical epiphyte
  • Impossible to obtain specimens in the US
  • Has flattened branches w/leaf-like vein attached to a long stem.
A

Tmesipteris

57
Q

Is Selaginella’s gametophyte homothallic or heterothallic?

A

Heterothallic

58
Q

What type of tapetum does Selaginella have?

A

Secretory

59
Q

Is Psilotum homosporous or heterosporous?

A

Homosporous

60
Q

Saprophytic

A

does not contain chlorophyll

Botany (5 decks)

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