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Typhonium specimens again
From: James Waddick jwaddick at kc.rr.com> on 2003.02.05 at 18:36:37(9928)|
Dear Susanne and Petra;
A few weeks ago there was discussion of T. divericatum and
its subsequent ID as T. blumei.
I finally went to the new Typhonium /IAS site as recently
revised by Wilbert where T. divericatum is assigned to T. roxburghii
- NOT blumei.
The accompanying picture are not terribly convincing, but|
jumping to Alan Galloway's pages and photos. I wonder if the ID is
incorrect and the plants from me are in fact T. roxburgii. Alan- Any
Want to take another look? I'll refrain until bloom this summer.
Best Jim W.
Dr. James W. Waddick
8871 NW Brostrom Rd.
Kansas City Missouri 64152-2711
Zone 5 Record low -23F
Summer 100F +
From: "Eduardo Goncalves" edggon at hotmail.com> on 2003.02.05 at 23:51:07(9931)|
Dear Alan and Jim,
Now I have both species (T. roxburghii and T. blumei) flowering
regularly here and I have found differences. There is a good comparative
picture in an article available in the net featuring T. roxburghii and T.
blumei. The URL is:
Here follows the key:
1. Sterile flowers upcurved; leaf blades usually longer than broad ...
........................................................... T. blumei
1. Sterile flowers spreading and slightly decurved; leaf blades mostly as
broad as long .............. T. roxburghii
My plants can be perfectly separated by this key. I have also noted that
T. roxburghii is a little more robust than T. blumei when they are growing
under the same conditions (substrate, temperature, etc). By the way, yes,
they use T. divaricatum as synonim of T. blumei in the quoted article.
Very best wishes,
To: , "Susanne Renner" ,
Subject: Re: [aroid-l] Typhonium specimens again
Date: Wed, 5 Feb 2003 14:43:45 -0500
Jim and others,
I must admit I had not compared the pics of T. blumei and
roxburghii that closely until this message. What I'ld like to do
is wait until this summer and get better quality photos
of both these species and then decide.
Jim, if I recall correctly, you sent me some tubers of
T. geraldii, which did turn out to be T. roxburghii -- I
would have to recheck my notes to confirm this.
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