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Evolution of Plants > Lecture #12- Selected Eudicots > Flashcards

Lecture #12- Selected Eudicots Flashcards

1
Q

What does Eudicot mean?

A

Means true cotyledon

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2
Q

What is a synapomorphy for eudicots?

A

dicots

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3
Q

What us a synapomorphy for monocots?

A

having 1 cotyledon

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4
Q

Why did some eudicots lose their mycorrhizal associations?

A

Because when they got to a new environment they get their and germinate so quickly that there is no time to find a mycorrhizal association
-possible synapomorphy

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5
Q

Characteristics of the Family Ranunculaceae (buttercup)

A
  • lots of stamens and separate cartels
  • Basal: many sexual parts (boys on the outside and girls on the inside)
  • separate carples
  • many stamen
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6
Q

Characteristics of the Family Fagales (oaks, birch)

A
  • Ecto
  • Inflorescences (pipe like structure- male)
  • Fuits are acorns
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7
Q

Characteristics of the Family Cactaceae?

A
  • Lots of boy parts, one girl part
  • Highly evolved vegetative parts (succulent photosynthetic leaves)
  • Carpels fused, several carpels fused to form a pistol
  • leaves are the spines
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8
Q

What is an inflorescence?

A

Not a flower, but a composite of multiples flwoers

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9
Q

What is a disk floret?

A

make the seeds and are on the inside

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10
Q

What is ray flower?

A

Found around the outside to attack pollinators

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11
Q

What are Sepals?

A

Sepals are on top of ovaries

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12
Q

What is the normal flower order?

A

Sepals–> petals–> boy part–> girl part

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13
Q

What is different about the flower order in the family Asteraceae?

A

It is inverted so that the ovary is beneath the flower

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14
Q

What are tendrils?

A

Modified leaves or stems and how vines wrap around things

-mainly for climbing

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15
Q

Whats cool about the Indian Pipe?

A
  • holoparasite + ecto association

- doesnt make its own carbon, steals everything

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16
Q

What makes poison ivy cause you to itch?

A

Urishol

  • causes severe histamine reactions
  • protects leaves and flowers from herbivory
17
Q

What can the colours of flowers indicate?

A

whether or not its good to eat

18
Q

Characteristics about the Cactus Button?

A
  • has psychoactive compounds
  • protection
  • buttons are legal but the purified form is illegal
19
Q

Characteristics of Canabis Sativa?

A
  • THC maina stive compound
  • produced to protect flowers and foliage
  • highest content around the female flowers
  • Can produce oils and fibres
20
Q

What does Chinchona (RUbiaceae) produce?

A
  • Quinine
  • Ati-malarial drug component
  • extracted form the tree bark
21
Q

Characteristics of Cocaine?

A
  • from the coca plant (Erytheoxylum)
  • leaves have low concentrations
  • could chew for an energy boost
22
Q

What can Foxglove be used for?

A

To stop a heart attack

  • but too much can kill you because its poisonous
  • chemical antiherbivory
23
Q

Whats different about an Aspen tree?

A

They are all clones of each other

  • Rannet: individual
  • Gannet: all of them
24
Q

What are 7 important edict families?

A
  1. Fabaceae (Pea)
  2. Solanaceae (Nightshade)
  3. Rosaceae (Rose)
  4. Vitaceae (Grape)
  5. Rubiaceae (Coffee)
  6. Asteraceae (Diasy; sunflower)
  7. Brassicaceae (Mustard)
25
Q

Where did coffee originate?

A

Ethiopia and Kenya

-then brought over to South America

26
Q

What is Quinoa (Chenopdium quinoa) related to?

A

Some of the worst farm weeds

27
Q

Why do we have to be careful with Casaca or Yuca?

A

Has poisonous latex (milk)

-but is a staple crop in a lot of places

28
Q

Why were vanilla orchids hand pollinated?

A

Because they were moved around a lot and their pollinators didnt come with them

29
Q

What are some pollinators?

A
  • bees
  • flys
  • beetles
  • mosquitoes
  • bats
  • ants
30
Q

What is the relationship between the Yucca flower and the Yucca moth

A
  • Moth leaves its area in the flower, when the larva hatch, they feed SOME of the seeds. The ones they don’t eat rsurvive to become plant the next year
31
Q

How do underwater plants pollinate?

A

They have filamentous pollen that floats down the stream and wraps itself around the female

Evolution of Plants (12 decks)

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