Angiosperms

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Angiosperms
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Ovaries Superior, partly inferior and inferior
fig. 23-11
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Amborella
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Life cycle of the angiosperms
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Production of the megaspore and female gametophyte
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Production of microspores and male gametophytes
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Mature Male Gametophyte figure 23-7
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REVIEW
Production of the megaspore and female gametophyte
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Production of microspores and male gametophytes
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Double Fertilization in the Angiosperm
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Transparency of seed development
Seed Development
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A Dicot Seed and How it Grows into a Plant
fig. 8-28
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A Monocot Seed and How it Grows into a Plant
Fig. 8-29
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Fig. 8-5
Flower Parts
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How a Leaf Could Have Become A Carpal
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A Simple Fruit
Fig 8-5
Fig. 8-8
Fig 23.10
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Fig 8-10
Fig 23-10-b
A Compound Fruit
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True Fruits only the ovary becomes the fruit
fig 8-9
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Apples are Accessory Fruits flower parts in
addition to the ovary become the
fruit fig 8-11
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The Strawberry is an Accessory Fruit
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The
The strawberry is also an aggregate fruit
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A Raspberry is an Aggregate fruit. More than one
ovary is in the flower and they all become part
of the same fruit fig. 24-9
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A pineapple is a Multiple fruit Many flowers
produce individual fruits that fuse to form one
fruit.
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Fruits
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Monocots
dicots
amborella
waterlillies
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Primitive flowering plants that probably evolved
before monocots and dicots
Water lilies -
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Water lily flower
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Magnolia a Flower With Primitive Characteristics
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Liliopsida definite number of flower parts -
but note Tepals
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Daffodils flower parts fused
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Tulip Flower parts arranged in whorls
Tulip
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Iris Compound ovaries inferior ovary
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Ovaries
Partly Superior
Inferior
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Snapdragon Bilateral symmetry
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Holly female flowers
Holly male flowers
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Monocots lillies, tulips, daffodils, orchids,
grasses
Flower parts in 3s, leaves with parallel veins
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Note Grasses have no petals They are pollinated
by wind
Grasses
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Dicots magnolias, buttercups, roses, cactus,
daisies, squash
flower parts in 4s or 5s, leaf veins branched
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Superior ovaries Flower parts not fused
Buttercup
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Mostly superior ovaries Separate petals Most
common fruits
Family Rosaceae
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SQUASH FLOWERS
Female flower male flower
Squash Flower
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page was last updated on Saturday, February 18,
2006 81759 AM
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Sunflower
Asteraceae
Reduced flower parts
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Coontail Ceratophylum demersum
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