NATS 1575 Lecture Notes - Lecture 4: Flowering Plant, Gynoecium, Fruit Anatomy

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18 May 2018

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LECTURE 4: FLOWERS, FRUITS, SEEDS

1. Angiosperm – flowering plants only. 400K species exist, approximately.

2. Non-flowering: gymnosperms.

3. Angiosperms reproduce with pollen and egg cells within the flower.

4. Angiosperms typically made of 4 whorls (a complete flower): sepals, petals, stamns, carpels, etc.

5. Carpels have the ovules that contain female gametophytes

6. Petals ake up the corolla sectio of the flower.’

7. Meiosis can also occur in the sexual reproduction.

8. Fruits and seeds have an extocarp, mesocarp, and endocarp section (3 layers)

9. Segregated into aggregates, monocot/dicot flowers.

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