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Flowers and Reproduction (Sexual Reproduction (The Plant Life Cycle…

- - - - always diploid
      - ex: trees, shrubs and herbs
      - "sporophyte generation**
    - - "syngamy"
      - produces diploid zygote
    - - haploid
    - - produces gametes
    - - sperm cells that swim
    - - large eggs
  - - - flower stalk
    - - where the other parts are attached
    - - have all four types
      - Most flowers
    - - don't have all four
    - - lowermost and outermost of the four floral appendages
      - Calyx
        
        all the sepals together
      - Figure 9-4
    - - above the sepals on the receptacle
      - together make up the Corolla
      - Perianth
        
        sepals and petals together
    - - above the petals
      - collectively is the Androcium
      - Filament
        
        it's stalk
      - Anther
        
        where pollen is produced
      - Pollen
        
        sperm
      - Figure 9-5A
      - Figure 9-5B
    - - Gynoecium
        
        located at the highest level of the receptacle
      - Stigma
        
        catches pollen grains
      - Style
        
        elevates the stigma
      - Ovary
        
        megaspores are produced
      - Placentae
        
        regions of tissue that bear small structures called Ovules
      - Figure 9-10
  - - - Vetative Cell
      - Generative Cell
      - Pollen Tube
      - **Figure 9-12A
      - **Figure 9-12BC
    - - Table 9-3
  - - - both fusion of the protoplasts
    - - fusion of the nuclei
    - - triploid
  - - - pushes the embryo inside the endospore
    - - in basal angiosperms and eudicots