[NAFEX] Poison Oak question
Regina M. Kreger
regina at kreger.net
Sun May 13 11:58:48 EDT 2007
Around here (Maryland), poison ivy can grow 50' high if it's got
something to climb that high. I've seen it with 3"+ diameter trunks.
Jim Fruth wrote:
> Several years ago I visited Itasca State Park and pictures of Poison Ivy
>and Poison Oak were displayed for public viewing. The picture for "Poison
>Oak" was really Virginia Creeper (Parthenocissus quinquefolia).
> My botanical keys, Britton & Brown, lists Poison Ivy and Poison Oak as
>separate species separated mostly by leaf shape. I've seen both leaf shapes
>on the same plant. From my experience, I would challenge the idea of their
>being separate species. I have traveled most of these United States and have
>encountered only one plant that could, perhaps, be a separate species. It
>was a California Poison Ivy that grew 12 to 15 ft. high, unlike its more
>common cousin(?) that grows to about 2' high.
> What is your experience on this subject?
>Pequot Lakes, MN 56472
>(218)831-7018 [My Cell]
>nafex mailing list
>nafex at lists.ibiblio.org
>Reproduction of list messages or archives is not allowed.
>This includes distribution on other email lists or reproduction on web sites.
>Permission to reproduce is NEVER granted, so don't claim you have permission!
>**YOU MUST BE SUBSCRIBED TO POST!**
>Posts from email addresses that are not subscribed are discarded.
>To subscribe or unsubscribe, go to the bottom of this page (also can be used to change other email options):
>File attachments are NOT stripped by this list.
>TAKE STEPS TO PROTECT YOURSELF FROM COMPUTER VIRUSES!
>Please do not send binary files.
>Use plain text ONLY in emails!
>NAFEX web site: http://www.nafex.org/
More information about the nafex