1. Fruit Notes

2. What are they?
Fruits are structures of angiosperms that develop from the ovary and encloses the seed

4. What are they? (con’t)
Fleshy fruits contain sugars to attract animals for seed dispersal
Non-fleshy fruits use parthenocarpy to develop without fertilization

5. Layering The ovary develops into the 3-layered fruit
Exocarp – outer layer containing the epidermis
Mesocarp – middle layer that varies in thickness
Endocarp – shows variation from species to species

7. Fruit Types There are 4 ways of classifying fruits:
Fruits develop from a single, mature ovary.
The first group is simple fruits which can be broken into fleshy and dry fruits
The difference between fleshy and dry is the state of their pericarp at maturity.

8. Dry Fruit
Fleshy Fruit

9. Fruit Types (con’t)
Dry fruits can be broken into dehiscent and indehiscent fruits.

10. Dehiscent – split at maturity

11. Indehiscent – don’t spilt at maturity

12. Dehiscent or Indehiscent?

13. Fruit Types (con’t)
Another fruit type is an aggregate fruit which contain many ovaries from a single flower. The ovaries mature together.
Another type are multiple fruits which are made of ovaries from many flowers fuse together in a mass.

14. Aggregate Fruit
Multiple Fruit

15. 4 Types Simple, fleshy Simple, dry Aggregate Multiple
Can you tell which fruit is which type on the next slide?