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Parts of a Flower PA Standards
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4- Parts of a Flower Stamens Stamens 1- Male reproductive organs
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Stamens 2) Have two parts Filament- stalk Anther- where pollen is made
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Pollen released into the air
Pollen grain forming on anther
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Stamen Flower Parts
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Flower Parts Anthers
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Flower Parts Filament
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4- Parts of a Flower b) Pistils 1- Female reproductive organs Pistil
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2) Pistils have three parts
Ovary – produces ovules (female gametes) Style – short stalk Stigma – sticky extension of stalk that catches pollen.
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Pistil parts
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Pistil ovary Ovules growing in the ovary
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Pollen sticking to the pistil’s stigma. Pistil Stigmas
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Pistil Flower Parts
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Flower Parts Stigma Style Ovary
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Sepals & Petals C) Sepals- Leaflike parts that protect the flower.
d) Petals – Attract pollinators.
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Flower Parts Petal Sepal
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How does pollen get from the stamen to the pistil?
Insect Pollinators Wind
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Humans can also selectively pollinate flowers:
Taking pollen from one plant with a certain trait and placing it on a plant with a different trait. For example, taking pollen from a short plant and placing it on a plant that is tall. Cross pollination
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Seed & Fruit Production
a) After pollen lands on stigma a tube grows down the style to an ovule.
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Seed & Fruit Production
b) The fertilized zygote develops into a seed.
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Seed & Fruit Production
c) The ovary that surrounds the ovules develops into a fruit.
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Seed & Fruit Production
c) The ovary that surrounds the ovules develops into a fruit (if the fruit dries out it becomes a shell). Produces nuts, grains Acorns, etc.
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Tomato flower develops into fruit.
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PISTIL Flower Parts STAMEN Stigma Style Petal Anther Filament Ovary Sepal
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Pistil Flower Parts Stamen Stigma Style Petal Anther Filament Ovary Sepal
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Flower Parts
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