CLASSIFICATION: FRUITS

O r g a n s O r g a n s

o fo f

S e x u a lS e x u a l

R e p r o d u c t i o R e p r o d u c t i o nn

O r g a n s O r g a n s

o fo f

S e x u a lS e x u a l

R e p r o d u c t i o R e p r o d u c t i o nn

F l o w e r sF l o w e r sF l o w e r sF l o w e r s

F l o r a l P a r t sF l o r a l P a r t sF l o r a l P a r t sF l o r a l P a r t s

P o l l i n a t o r sP o l l i n a t o r sP o l l i n a t o r sP o l l i n a t o r s

P o l l e n S h a p e sP o l l e n S h a p e sP o l l e n S h a p e sP o l l e n S h a p e s

P o l l e n T u b P o l l e n T u b eeP o l l e n T u b P o l l e n T u b ee

F e r t i l i z a t i o nF e r t i l i z a t i o nF e r t i l i z a t i o nF e r t i l i z a t i o n

F r u i tF r u i tF r u i tF r u i t

1. Pear1. Pear == Simple Simple (fruit develops from single,ripened ovary) fleshyfleshy//PomePome

2. Strawberry = 2. Strawberry = aggregate aggregate (fruit develops from many small ovaries within a single flower)Green leaflike structure = sepalSeeds found= outside on receptacle inside seed (achene)

3. Maple=

Simple/Dry/Simple/Dry/

Indehiscent/Indehiscent/

SamaraSamara

4. Olive=4. Olive=

Simple/Fleshy/DrupeSimple/Fleshy/Drupe

5. Pea Pod=5. Pea Pod=

Simple/Dry/Simple/Dry/Dehiscent/Dehiscent/Legume(Pod)Legume(Pod)

6. Sunflower=6. Sunflower=Simple/Dry/IndehiscentAchene

7. Tomato7. Tomato =Simple/Fleshy/BerrySimple/Fleshy/BerryHow many locules How many locules are in this sample?are in this sample? 7 7

8. Grape =8. Grape =Simple/Fleshy/berrySimple/Fleshy/berry

9. MILKWEED =

Simple/dry/Dehiscent/Simple/dry/Dehiscent/

CapsuleCapsule

10. ACORN =10. ACORN =

Simple/dry/ Simple/dry/ Indehiscent/nutIndehiscent/nut

Ovary ( thick hard wall)

Cup like structure is made of modified leaves.

11. Coconut=11. Coconut= Simple/Fleshy/DRUPSimple/Fleshy/DRUPEE

White of coconut:Endosperm (food for

embryo)Embryo behind the 3rd

soft eye.

12. PINEAPPLEMULTIPLE

How many flowers How many flowers are in section of are in section of fruit? 12fruit? 12

13. KERNAL OF CORN13. KERNAL OF CORN

(Corn on the Cob)(Corn on the Cob)

Simple/Dry/Simple/Dry/Indehiscent/GrainIndehiscent/Grain

What is the function of What is the function of the silk? the silk? Female—Female—long stigmas.long stigmas.

14. ORANGE14. ORANGE

Simple/ fleshy/BerrySimple/ fleshy/Berry

15. Avocado15. Avocado

Simple/fleshy/DrupeSimple/fleshy/Drupe

16. Banana16. Banana

Simple/fleshy/BerrySimple/fleshy/Berry

What causes the What causes the browning on the browning on the banana?banana?

Ethylene gasEthylene gas

17. APPLE=

Simple/fleshy/PomeSimple/fleshy/Pome

18. PAPAYA =18. PAPAYA =

Simple/fleshy/BerrySimple/fleshy/Berry

SPIKE FRUIT = = berryberry

Cactus PearCactus Pear = berry = berry

Starfruit Starfruit = berry= berry

FIGFIG= Multiple fruitMultiple fruitSynconium seed is an AcheneAchene

Peach = Peach = PomePome

Lemon = BerryLemon = Berry Lime= BerryLime= Berry Grapefruit= BerryGrapefruit= Berry

Cantaloupe= Cantaloupe= BerryBerry

Honeydew= Honeydew= BerryBerry

Watermelon = Watermelon = BerryBerry

Kiwi= Kiwi= BerryBerry Blueberry= Blueberry= berryberry Cucumber = Cucumber = BerryBerry

Peanut = legume(Pod)legume(Pod)

Raspberry =Raspberry = AggregateAggregate

Mango =Mango = Pome Pome

Pecan =Pecan = Nut Nut

S e e d s

A “packaged“ plant .

Contains the plant embryo & nourishment

for the new plant .

P a c k a g e dP a c k a g e dP l a n tP l a n tP a c k a g e dP a c k a g e dP l a n tP l a n t

S e e d D i s p e r s a lS e e d D i s p e r s a lS e e d D i s p e r s a lS e e d D i s p e r s a l

G e r m

i n a t

i o n

G e r m

i n a t

i o n

G e r m

i n a t

i o n

G e r m

i n a t

i o n

Analysis:1.Formation of fruit/seed in a

simple fruitAfter fertilization the OVARYOVARY wall

develops 3 layers (endocarp, mesocarp, exocarp)

Exocarp Exocarp enlarge become fleshy or dry fruit

OVULE OVULE SEED

ReceptacleReceptacle can be fruit

2. Fruits where seeds are eaten are:

Sunflower, beans, peas, peanutsSunflower, beans, peas, peanuts

3. Distinguish the fruit from other parts of the flower by:

Fruit has one or more ovaries with a Fruit has one or more ovaries with a seed or seeds.seed or seeds.

4. An aggregate fruit differs from a multiple fruit by:

Aggregate fruit with many ovaries in a single flower

Multiple many flowers

5. An aggregate fruit is similar to a 5. An aggregate fruit is similar to a multiple fruit by:multiple fruit by:

Both develop specialized tissue in Both develop specialized tissue in addition to the ovary.addition to the ovary.

P l a n t R e p r o d u c t i o nP l a n t R e p r o d u c t i o nP l a n t R e p r o d u c t i o nP l a n t R e p r o d u c t i o n

Yes, we have no bananaswe have no

bananas, today