[Plant-education] cypress knees

Carrie DeJaco via plant-ed%40net.bio.net (by dejacoc from queens.edu)
Sun Apr 8 19:06:08 EST 2007

Anyone out there know the function of the "knees" of cypress trees in 
swamps?  I had thought they were to relieve oxygen stress on the 
waterlogged roots, but seem to remember hearing that that had been 
disproven.  Any thoughts?

Carrie DeJaco

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