Fruit Formation and classification Flashcards

(56 cards)

1
Q

what is a fruit

A

the structure that forms from the ovary after maturation

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2
Q

function of fruit

A

seed dispersal and protection

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3
Q

simple fruit

A

matures from one pistil

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4
Q

ex of simple fruit

A

tomato, cuke

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5
Q

aggregate fruits

A

matures from more than one pistil on one flower

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6
Q

ex of aggregate fruit

A

raspberry

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7
Q

multiple composition fruit

A

matures from more than one pistil on an inflorescence

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8
Q

ex of multiple composition fruit

A

corn, pineapple

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9
Q

How do we categorize fruit structure

A

dry and fleshy

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10
Q

pericarp

A

fruit wall

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11
Q

where is the pericarp developed from

A

the ovary wall

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12
Q

exocarp

A

outside of pericarp

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13
Q

mesocarp

A

midof pericarp

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14
Q

endocarp

A

inside of pericarp

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15
Q

pericarp of dry fruits

A

hard, dry, minimally developed

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16
Q

what do dry fruits focus on for dispersal

A

protection over animal dispersion

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17
Q

2 types of dry fruits

A

degiscent and indehiscent

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18
Q

dehiscent

A

pericarp splits open at maturity to facilitate seed dispersal

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19
Q

ex of dehiscent fruit

A

peas - split open at maturity

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20
Q

indehiscent

A

pericarp x split open at maturity

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21
Q

ex of indehiscent fruit

A

sunflower, acorn

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22
Q

fleshy fruit

A

pericarp has succulent hydrated tissues

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23
Q

What mode of dispersion does fleshy fruit rely on

A

animal dispersion

24
Q

5 types of fleshy fruits

A

berries
hesperidium
pepo
drupes
pomes

25
berries
simple fleshy fruit produced from one pistil
26
ex of berry
blueberry, pepper, tomato
27
hesperidium
modified berry with lethery pericarp
28
ex of hesperidium
citrus frutis lime, orange, lemon
29
pepo
modified berry with hard rind
30
ex of pepo
melons, cukeumbers
31
Drupes
simple fleshy fruit with very hard stone pit
32
ex of drupes
stone fruits Peach, plum, cherry
33
pommes
pericarp surrounded by large fleshy receptacle. but can eat recepticle
34
ex of pommes
apple, pears
35
2 types of indehiscent dry fruits
achene grain samara nut
36
achene
seed attached to pericarp at one spot
37
ex of achene fruits
sunflower, strawberry
38
how is a strawberry achene
sweet part is a very large recepticle seeds are schenes
39
grain
seed coat entirely fused to the pericarp during maturation
40
botannica term for grain
caryopsis
41
ex of grain
rice
42
samara
has winged pericarp
43
ex of samara
helicopters, most trees have this
44
what are the wings an extension of on samara
pericarp
45
nut
starts out with several carpels and ovules in the ovary all but one dies during development whole pericarp is hard at maturity
46
what type of cells do nuts have in their pericarp
sclerid
47
ex of nut
hazelnut
48
4 types of dry dehiscent fruits
legume follicle capsule silique
49
legume
friut breaks open on both sides
50
ex of legume
peanuts, peas, beans
51
follicle
fruit breaks open along one side
52
ex of follicle
milkweed
53
capsule
comes from compound ovary splits open at top and down along sides
54
ex of capsule
cotton, lillies
55
silique
compound sovary splits open along two sides seeds exposed when two halves seperate
56
ex of silique
brassicaceae family brocilli, kale, cabbage