Types of Fruits - PowerPoint PPT Presentation

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Types of Fruits

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  1. Types of Fruits

  2. Indehiscent Fruits • Dry fruits which do not split along definite lines to release seeds at maturity.

  3. Examples: • Achene • Samara • Caryopsis • Nut

  4. Achene • Seed coat not fused with ovary wall.

  5. Achene: Sunflower Seed

  6. Samara • Ovary wall forms a winglike structure. • Dry; frequently used for seed dispersal by wind.

  7. Samara: maple

  8. Caryopsis (grain) • Seed coat fused with ovary wall.

  9. Caryopsis(grain): corn

  10. Nut • Ovary wall is tough and woody.

  11. Nut: acorn

  12. Dehiscent fruits • Fruits which open at maturity to shed their seeds.

  13. Examples: • Follicle • Legume • Capsule

  14. Follicle • Fruit splits open along ONE seam.

  15. Follicle: milkweed

  16. Legume • Fruit splits open along TWO seams.

  17. Legume: bean

  18. Capsule • Fruit opens by various means, usually along more than two seams.

  19. Capsule: lily

  20. Fleshy Fruits • Fruit is generally moist and often edible.

  21. Examples: • Drupe • Berry • False Berry • Hesperidium • Pome

  22. Drupe • Fruit is fleshy all the way out to the covering. • Woody interior covering. The seed is covered by a very hard cover. Sometimes these are called stone fruits.

  23. Drupe: plum, peach, almond, cherry

  24. Berry • Fruit is fleshy all the way out to the covering, which is usually thin. • Interior seeds are NOT covered by a hard coat.

  25. Berry: grape, tomato

  26. False Berry • Looks like a berry, but often has a harder outer coat. Seeds are clustered in the middle rather than throughout the fruit.

  27. False Berry: cucumber, squash, pumpkin, cantaloupe

  28. Hesperidium (not on your key) • Outer soft rind which is white on the inside. • Citrus Fruits belong here.

  29. Hesperidium: orange, lemon, grapefruit

  30. Pome • Fruit is fleshy out to the covering. • A few seeds are inside a core which is not eaten because it has a leathery interior coating.

  31. Pome: pear, apple

  32. Aggregate Fruits • Fruit composed of mature ovaries from separate pistils of one flower • Example: raspberry, strawberry

  33. Multiple Fruits • Fruit composed of mature ovaries from several flowers. • Example: pineapple