Vegetative diagnostic distinction between Ailanthus and Engelhardia
fergu127 at pilot.msu.edu
Sun May 16 15:39:47 EST 1999
Try scraping a bit of the bark of a younger twig and just lick it. It
should be yucky and bitter if Ailanthus. I was worried about walnut also
being bitter, but I haven't sampled it myself.
David Deutsch wrote:
> Thanks Gene and Diane for responding.
> The problem with leaf smell is that the Juglandaceae can have fairly
> odoriferous leaves as well (crush and smell a walnut leaf sometime). My
> tree's leaves smell of split pea soup! ;-)
> As for tasting the bark, Diane, do you mean do a scraping? I'll give it
> a try.
> BTW, the terminal pinna is single, so perhaps I do have an Ailanthus,
> but the leaves seem to big for it to be altissima...
> Maybe I'll post a link to a photo on my homepage...
> David Deutsch
> In article <373ADBE3.AE629C32 at bcc.orst.edu>,
> Gene Newcomb <newcombg at bcc.orst.edu> wrote:
> > I can only offer this as a possible suggestion. Ailanthus foliage has a
> > rank smell when crushed.
> > After writing the above, I looked at Hortus Third. It confirms that is
> > the case for Ailanthus and does not mention it for Engelhardia. In
> > addition, the leaves of A. have a single pinna at the end, while E. has
> > two. Odd- vs. even-pinnate.
> > Gene Newcomb
> > newcombg at bcc.orst.edu
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