Mike Lyle schreef
http://internet.cybermesa.com/~bludevil/P6160002.JPG
the attractive name "salt cedar" is given as an alternative.

Sorry: I can't have made myself clear. I was asking about the new name
I've met in the American source I quoted: "salt cedar".

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Actually, there appears to be no such name at this link.
It is all over the net anyway.
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Any info on salt cedar?

Mike.

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I guess you will have to go over the American literature of the last 150?
years or so to find where it first appeared. The reason why looks easy.
PvR