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From: Mike Bordelon <BORDELON.MIKE at NMNH.SI.EDU> on 1997.11.04 at 22:26:56(1576)
Thanks to those that checked up on Acorus tatarinowii for
Looking in the Flora of China by Hen Li, A. gramineus has
leaves less than 6mm and A. tatarinowii has leaves greater
than 7mm. Is the width of a leaf a valid justification to name a
species even if all else is the same? Growing conditions can
have a great effect on the size of a plant.

Mike Bordelon

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

From: "Peter Boyce" <pb02kg at lion.rbgkew.org.uk> on 1998.12.10 at 14:32:08(2799)

Acorus: Not Acoroideae/Araceae. It's in it's own family Acoraceae, a
familyu not even in Arales. It's basal to all the rest of the


From: James Waddick jwaddick at kc.rr.com> on 2005.10.13 at 14:03:45(13443)
Dear All;
I am looking for a few good -high res pix of Acorus
especially those that can show characters of various cultivars.

Please email me off list ONLY at jwaddick@kc.rr.com

Thanks Jim W.
Dr. James W. Waddick
8871 NW Brostrom Rd.
Kansas City Missouri 64152-2711

From: "Hal or Nancy Robinson" robyn82 at bellsouth.net> on 2005.10.14 at 02:43:58(13446)
I probably can take some pictures on Saturday if you can wait. I have about
5 varieties. None rare but the little yellow one is cute.
Nancy Robinson
From: Tony Avent tony at plantdelights.com> on 2005.10.15 at 20:19:50(13449)

Since you brought up the former aroid, acorus, we found a species in
Northern Thailand last month that didn't look like either A. calamus or A.
gramineus...at least the forms that I've grown. Anyone word of another
species from that region. Interesting to also note that the European A.
calamus has now been segregated from the American A. americanus. Could
there be more?

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