Friday, February 17, 2012

Pollination signal

Photo by Ned Harris 2/8/2012

Photo by Ned Harris 2/15/2012

These are both Desert Lupines (Lupinus sparsiflorus) (not the same plant, though). Note the pink/magenta on the flowers in the lower photo. That color indicates the flower has been pollinated. Insects can see they need not bother with that particular flower. Great strategy for producing more seeds; which is what life is all about, when you get right down to it. 

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