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  Re: Acorus
From: "Dr. Guanghua Zhu" <gzhu at LEHMANN.mobot.org> on 1997.11.04 at 23:40:00(1577)
Dear Mike, The width of leaf is very important in the taxonomy of Acorus.
However, it can not be used as the only character to name a new species in
this case. Yes, the character is somewhat plastic, but it is usually good
enough to seperate the two species mentioned. Acorus differs from the
other by a very short spathe, which is usually less than twice of the
length of the spadix. The spathe of Acorus tatarinowii is a lot longer.
The spathe character is the key to tell these two species. There are
three new names have been published in the genus since the publication of
the Chinese Flora of China. But I personally think there are only three
species should be recognized in the genus. Cheers, Guanghua

> Date: Tue, 4 Nov 1997 16:30:56 -0600

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