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Re: Lotus

Gitte writes:

> I am curious, though, as to why the floating leaves are necessary for
>  flowers?  The sketch I have shows that the flower grows up from the roots.

The floating leaves produce more sugar during photosynthesis than immerse 
leaves, because they have access to a much higher concentration of CO2.  The 
extra energy is necessary for the strenuous effort of producing a flower.

Bob Dixon