Flowers

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Flowers

• the reproductive structures of plants

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4 parts of a plant

• Roots
• Stems
• Leaves
• Reproductive (includes flowers and fruits)

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Flowers have 4 different parts

• Sepals
• Petals
• Stamens
• Pistil

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Pedicel

• The flower stem

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Receptacle

• The place on the stem where floral organs attach
  and originate.

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Sepals

• Usually green leaflike structures that protect
  the flower, as it forms and emerges.

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• Sometimes sepals are colorful

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Calyx

• The group of sepals on a flower

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Petals

• Located just inside the sepals
• Leaf-like and often very colorful
• Attract pollinators

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Corolla

• The collection of petals on a flower

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Perianth

• The sepals and the petals of a flower. (Not the
  reproductive parts.)

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Tepals

• When there is no clear distinction between the
  sepals and the petals...they are called tepals.

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The reproductive parts

• Found at the center of the flower

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Stamens

• Male reproductive parts of a flower
• Arranged around the female parts

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Anther

• Part of the stamen
• Produces and holds pollen

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Filament

• Stalk that holds up the anther

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Pistil

• The female part of the flower

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Stigma

• Found at the end of the pistil
• Has a sticky surface to catch pollen

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Style

• The neck of the pistil

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Ovary

• Part of the pistil that contains the ovules

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Ovule

• The part of the flower in which the eggs are
  produced and seeds develop

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Complete flowers

• Have all 4 basic parts
• Sepals, petals, stamens and pistil

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Incomplete flowers

• Flowers that are missing one of the four basic
  parts

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Perfect Flowers

• Flowers that have both male and female parts

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Imperfect flowers

• Flowers that lack one of the sex structures