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• How many oak tree species are there?

  It has been reported that there are over 500 different species of oak trees (Quercus) worldwide. Now, I have read of some arguments that not all of them are unique but some may be hybrids or very closely related. I do not intend to enter that argument... Posted Feb 06 2008, 10:18 AM by mainspring-nhn with | with no comments Filed under: acorns, common questions, oak leaves, oak species, oak tree, oak trees, quercus, shade

• Why do Oak trees hold their fall leaves?

  I have been admiring some oak trees this winter. They are still holding their leaves and they are a wonderful rusty looking color, even through blizzards and strong winds. I have never noticed trees holding their leaves like this so long into the winter... Posted Feb 02 2008, 09:09 PM by patti-nhn with | with no comments Filed under: black oak, common questions, fall leaves, oak leaves, oak trees, red oak, white oak, winter