VIP: Flower Longi-Section

VIP: Provide both name and function labels:

→ Stigma -
receive pollen → Gynoecium -
female fcns → Carpel -
> fruit → Style -
pstn stigma → Ovary -
make ovule → Locule -
gas excg → Ovule -
make egg → Pollen -
make sperm → Anther -
make pollen → Filament -
pstn anther → Stamen - pollen dust → Androecium -
male fcns → Petal - attraction, nectar → Corolla -
landing platform → Sepal - PSN → Calyx -
shield bud → Perianth -
non-sexual fcns → Receptacle -
distribute water, nutrients → Pedicel -
support flower

 

How do the terms......relate to this diagram?
Pistil Simple: made of just one carpel
Superior Ovary is in superior position, so the flower is hypogynous
Perfect It is perfect: both stamens and carpels in this flower
Complete It is complete: both calyx and corolla in this flower
Monoecious Both male and female in one house together
Pollination Pollen taken from anther of stamen to stigma of carpel
Pollen Tube Growth Nourished by stigma, style, and ovary tissue: chemotropism
Syngamy Two sperm enter ovule, both join in 2 separate syngamy events
Embryo Egg + Sperm = Zygote → Embryonic Plant
Seed Ovule becomes seed
Fruit Ovary wall becomes true fruit

This page © Ross E. Koning 1994.

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