Neil's Question #2

Neil,

I am far from being an expert on ANY plant related subject so this is 
pure conjecture on my part. It seems logical to assume that if 
phototropism does take place in root systems of some plants, the most 
logical place to start looking would be among those genera which show 
evidence of photosynthesis in their roots, and among these, those plants 
which are leafless. That is, all photosynthesis is performed in the roots.
A (non-aroid) example might be Polyrrhiza lindeni. (I wish I had one to 
experiment with, but if I did I wouldn't be telling anyone about it!)

Don

Don Burns   Plantation, FL USA   Zone 10b
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