[Arisaema-l] Arisaema root structure

aaron floden aaron_floden at yahoo.com
Mon Apr 23 13:48:44 CEST 2012

So, if the "tuber" is a continuation of the stem and it is replaced annually it is a corm in some species. The shape may be discoid, spherical, or ovoid, but that does not change what it is.

 Like Greg said, there are rhizomes present on some species. In those it is akin to Trillium and only the back end of it slowly decays as the growing end continues. These are not replaced each season. Rhizomatum and "decipiens" are both like this in Vietnam.

Why all the confusion?

Aaron Floden
E Tennessee, USA

--- On Mon, 4/23/12, Greg Ruckert <greg at alpacamanagement.com> wrote:

From: Greg Ruckert <greg at alpacamanagement.com>
Subject: Re: [Arisaema-l] Arisaema root structure
To: "Arisaema Enthusiast Group (AEG) Discussion List (and other hardyAroids" <arisaema-l at science.uu.nl>
Date: Monday, April 23, 2012, 6:08 AM


A. rhizomatum and decioiens are both listed as rhizomes.
I collected rhizomatum living in very boggy, dark conditions and it 
certainly looked like an Iris rhizome.
Greg Ruckert

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