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FRUITS FRUIT : A fully developed and ripened ovary containing seeds GOAL : Seed Dispersal *Ovary...
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Transcript of FRUITS FRUIT : A fully developed and ripened ovary containing seeds GOAL : Seed Dispersal *Ovary...
FRUITS
FRUIT: A fully developed and ripened ovary containing seeds
GOAL: Seed Dispersal
*Ovary tissue stores carbohydrates & water
*Pigment may change over time
I. TWO TYPES OF FRUIT
A.FLESHY
B. DRY
II. Fleshy FruitsFleshy fruits are those that are soft, juicy or
meaty
Types of Fleshy Fruits:
Berry
Pepo
Hesperidium
Pome
Drupe
A. BERRY: 1 or more seeds, thin skin, can be
peeled offEx. Blueberry, cranberry, grapes, eggplant, peppers, tomato
NOTE: Strawberry, raspberry, blackberry are NOT true berries!!!!They originate from more than 1 pistil.
B. PEPO: a berry with a hard rind that can’t be peeled offEx. Pumpkin, squash, cantaloupe, melon, cucumber, gourds
C. Hesperidium: berry with a leathery skin, containing
oils and rindEx. Orange, tangerine, lime, lemon
D. POME: (False Fruit)Fleshy part is from the receptacle; true
ovary is the coreEx. Apple and Pear
E. DRUPE: single seed enclosed in a hard pit
Ex. Peach, apricot, plum, cherry
III. DRY FRUITS• Wall of mature ovary is dry
• Fruit is without soft flesh
• Classified according to whether they split open when ripe
A. Dehiscent Fruits• Split open when ripe
• 1. Follicle: milkweed
• 2. Legume: beans and peas
• 3. Capsule: poppies, snapdragon, lillies
B. Indehiscent Fruits• Dry fruits that DO NOT split
open when ripe
1. Achene: sunflower,dandelion
Indehiscent Fruits Cont.
• 2. Samara: maple, ash (winged fruits)
• 3. Grain: wheat, corn, barley, rye
Indehiscent Cont.• 4. Nut: acorn, hazelnut, hickory
• Many nuts are not nuts!!!
• Peanut=legume
• Walnut, pecan, coconut, almond=drupes
IV.Aggregate Fruits• Formed from a single
flower with more than one ovary
• Strawberry, raspberry, blackberry
Strawberry: Aggregate
V.Multiple Fruits• Forms from a cluster of flowers • Ovaries fuse together to form 1 fruit• Pineapple, osage orange, mulberry
Review…Use your notes to identify the following fruits.