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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
that
>was labeled rotala at the pet shop but i don't think it is. The farther
down
>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
centimeter
>per day.) What is this plant and how do i trim it because it has reached
the
>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:
http://www.dallas.net/~dwebb/aquarium/r_rotundifolia.jpg
David W. Webb Texas Instruments
(972) 575-3443 (voice) http://www.dallas.net/~dwebb
(214) 581-2380 (pager) 2145812380 at alphapage_airtouch.com