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FRUITS

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 Fruits. Fleshy fruits are those that are soft, juicy or meaty.

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FRUITS

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  1. FRUITS

  2. FRUIT: A fully developed and ripened ovary containing seeds GOAL: Seed Dispersal *Ovary tissue stores carbohydrates & water *Pigment may change over time

  3. I. TWO TYPES OF FRUIT A.FLESHY B. DRY

  4. II. Fleshy Fruits Fleshy fruits are those that are soft, juicy or meaty

  5. Types of Fleshy Fruits: Berry Pepo Hesperidium Pome Drupe

  6. A. BERRY: 1 or more seeds, thin skin, can be peeled off Ex. Blueberry, cranberry, grapes, eggplant, peppers, tomato

  7. NOTE: Strawberry, raspberry, blackberry are NOT true berries!!!!They originate from more than 1 pistil.

  8. B. PEPO: a berry with a hard rind that can’t be peeled off Ex. Pumpkin, squash, cantaloupe, melon, cucumber, gourds

  9. C. Hesperidium: berry with a leathery skin, containing oils and rind Ex. Orange, tangerine, lime, lemon

  10. D. POME: (False Fruit)Fleshy part is from the receptacle; true ovary is the core Ex. Apple and Pear

  11. E. DRUPE: single seed enclosed in a hard pit Ex. Peach, apricot, plum, cherry

  12. III. DRY FRUITS • Wall of mature ovary is dry • Fruit is without soft flesh • Classified according to whether they split open when ripe

  13. A. Dehiscent Fruits • Split open when ripe • 1. Follicle: milkweed • 2. Legume: beans and peas • 3. Capsule: poppies, snapdragon, lillies

  14. B. Indehiscent Fruits • Dry fruits that DO NOT split open when ripe 1. Achene: sunflower,dandelion

  15. Indehiscent Fruits Cont. • 2. Samara: maple, ash (winged fruits) • 3. Grain: wheat, corn, barley, rye

  16. Indehiscent Cont. • 4. Nut: acorn, hazelnut, hickory • Many nuts are not nuts!!! • Peanut=legume • Walnut, pecan, coconut, almond=drupes

  17. IV.Aggregate Fruits • Formed from a single flower with more than one ovary • Strawberry, raspberry, blackberry

  18. Strawberry: Aggregate

  19. V.Multiple Fruits • Forms from a cluster of flowers • Ovaries fuse together to form 1 fruit • Pineapple, osage orange, mulberry

  20. Review…Use your notes to identify the following fruits.

  21. Regions of a Fruit • Exocarp: skin • Endocarp: inner boundary around seed • Mesocarp: fleshy tissue between endocarp and exocarp • Pericarp: all 3 regions

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