Flower

• Plants

  • reproduce their own kind.
  • Reproduction is more varied and complete than human reproduction.
  • There are three organs involve in reproduction namely flowers, fruits, and seeds.
• FLOWER

  • part of the shoot system specializing ni sexual reproduction
• Parts of a Flower

  • Pedicel (Peduncle) - flower stalk
  • Receptacle (Torus) - holds the flower part
  • Appendages

  Perianth - sepals +petals

  • Sepals (Calyx) - protects the flowers when ni bud
  • Petals (Corolla) - attracts pollinating insects

  Stamen - male part

  • Anther- lobes containing pollen sacs
  • Filament - stalk that hold the anther

  Carpel - female part

  • Stigma - receives the pollen
  • Style - supports the stigma
  • Ovary - contains ovules that tore the female gametes
• Classification of Flowers

  Complete vs Incomplete

  • Complete - possess all 3 appendages
  • Incomplete - lacks one or more appendages

  Perfects vs Imperfect

  • Perfect - posses both stamen and carpel
  • Imperfect - possess either a stamen or a carpel but not both
• Ovary Position

  Hypanthium/Floral Cup

  • holds the ovary (lower portions of the sepals, petals, and stamens)
• Classification of Flower Based on Position of Ovary

  Hypogenous - superior ovary

  Perigenous - hypanthium surrounds the ovary

  Epigenous - inferior ovary
• Types of Pollination

  • Self-pollination - same flower or another flower of the same plant •
  • Cross-pollination - flowers from different plants
  • Wind pollination
  • Animal pollination