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Re: Rotala

>Date: Wed, 3 Sep 1997 20:26:23 -0400 (EDT)
>From: Tetra59057 at aol_com
>I have a few questions for all you plant experts.  First, i have a plant
>was labeled rotala at the pet shop but i don't think it is.  The farther
>you go on the plant the rounder the leaves get.  At the very bottom there
>nearly circle and at the newly emerging tips they are more like elongated
>triangles.  It is quite a fast growing plant ( i'm estimating one
>per day.)  What is this plant and how do i trim it because it has reached
>surface.  I'm thinking just cut the bottom of the stalk of with a pair of
>scissors but is this going to disturb anything?  

Your plant sounds like it might be Rotala rotundifolia (R. indica).  The
circular leaf form is the emersed-state leaf, because they probably were
propagated emersed to prevent algae growth.  The submersed leaf form is
elongate, although I haven't seen it grow triangles.  There's a picture of
the submersed form of R. rotundifolia on my web page at:

David W. Webb           Texas Instruments
(972) 575-3443 (voice)  http://www.dallas.net/~dwebb
(214) 581-2380 (pager)  2145812380 at alphapage_airtouch.com