Sunday, July 18, 2010

LAB 4

CUCURBITACEAE
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The flower on this plant was droopy and the number of petals were difficult to count, so the top half was removed. 
Only one of the 2 sex organs is found, what's the term used to describe this?


 Cross section through a cucumber and a zucchini. 3 fused carpels can be seen here.


SOLANACEAE
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 Here is a flower of Petunia. What is one characteristic that tell you it's a member of the Solanaceae family?
What does the term "actinomorphic" describe?


The next 2 photos shows the back end of the same flower. Note the number of sepals; are they free or fused?


Cross section through the same flower reveals 5 stamens.
(not quite sure where the stigma + style went...I probably dropped/lost it)

Another cross section, and this one has its stigma + style.

Cross section through an unripened tomato reveals 2 carpels.


Brassicaceae
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  This family is known as the crucifers; why is that? hint - check out their petals

The flower contains both stamens and pistil; therefore, it is a "perfect" flower.



 The 4 sepals of the flower. They are considered "free" because they broke off individually.

The root of a Wasabi plant

Some leaves from this family

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