What is the floral part?. Sepals = Calyx Receptacle.

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Presentation transcript:

What is the floral part?

Sepals = Calyx

Receptacle

Pistils = Carples In Magnolia, we see muliple, unfused carpels. Each is considered a pistil.

Stamens

Petals = Corolla

Pistil

Ovary

Style

Stigma

Anther

Stamen

What floral parts are fused?

The sepals are fused together. The petals (corolla) are fused together, and the stamens are fused to the corolla. Two carpels are fused to form a compound pistil.

Is the ovary superior or inferior?

Superior

How many carpels are here?

Two

What are these small structures?

Ovules

What floral parts are fused?

The sepals, petals and stamens are fused to form a hypanthium. Four carpels are fused to form the pistil. This can be seen in the four-lobed stigma

What is the floral part?

Nectaries

What are the floral parts?

Ovary

Pistil

Stigma

Style

Petal

Sepal

What is the pollinator?

Humming birds

What is the pollinator?

Beetles

What is the pollinator?

Large bees

What is the floral part?

Pistil

What is the floral part?

Ovary

What is the floral part?

Style

What is the floral part?

Stigma

What is the floral part?

Stamen

What is the floral part?

Anther

What is the floral part?

Filament

What are the floral parts?

Petals

What are the floral parts?

Sepals

Is the ovary superior or inferior?

The ovary is superior.

What is the structure of lily?

This is an ovary as seen in cross section.

What is the structure of lily?

This is a carpel. A carpel is a megasporophyll that encloses the ovules. This ovary consists of three carpels.

What is the structure of lily?

An ovule

What is the structure of lily?

A megaspore mother cell = megasporocyte

What is the structure of lily?

This is a four-nucleated megagametophyte. Megagametophyte = embryo sac in the angiosperms.

What is the structure of lily?

This is an ovule showing the megagametophyte and nucellus

What is the structure of lily?

8-nucleted, 7-celled megagametophyte This is the mature megagametophyte.

What is the structure of lily?

The central cell of the mature megagametophyte with two nuclei.

What are these cells of lily?

The center cell is the egg. The other two are synergids. Together, these three cells are the egg apparatus

What are these cells of lily?

These three cells are the antipodals.

What is this cell of lily?

This is one sperm nucleus undergoing karyogamy with the egg nucleus to generate the zygote.

What is this cell of lily?

This is the other sperm nucleus undergoing karyogamy with the two polar nuclei to generate the primary endosperm nucleus.

What is structure of lily?

Anther in cross section.

What is the structure of lily?

One microsporangium of the four making up the anther.

What are these cells of lily?

This is a tetrad of spores

What is the structure of lily?

Microgametophyte = pollen grain

Choose all that apply: Imperfect Monoecious

Imperfect This plant is dioecious.

Choose all that apply: Imperfect --- Monoecious

Imperfect and Monoecious

What is the fruit type?

Achene

What is the fruit type?

Nut

What is the fruit type?

Drupe

What is the fruit type?

Berry – the inner hard part is derived from the integuments of the ovule.

What is the fruit type?

Berry

What is the fruit type?

Capsule

What is the fruit type?

Berry

What is the fruit type?

Berry

What is the fruit type?

Berry

What is the fruit type?

A strawberry is an aggregate fruit. It is an aggregate of achenes derived from a single flower with multiple pistils. It is held together by the receptacle which is fleshy.

What is the fruit type?

A pineapple is a multiple fruit. It is a multiple of berries derived from a flower shoot. Flowers formed from axillary buds and the resulting fruits melded together.

What is the fruit type?

Berry

What is the fruit type?

A raspberry is an aggregate fruit. It is an aggregate of drupes derived from a single flower with multiple pistils. It forms around the receptacle which is left on the plant when the fruit is picked.