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RE: [APD] Vallsneria identification

Date: Thu, 8 Jan 2004 19:06:56 -0800
From: "Vic Di Cosola" <clutch24 at adelphia_net>
Subject: [APD] RE: Aquatic-Plants Digest, Vol 5, Issue 28
To: <aquatic-plants at actwin_com>

Hi Rick,

The first Val you talked about is probably the Val. sp. "Contortionist"
(Contortion Val.). This val will grow up to 36"+ and has a somewhat less
corkscrew than the Asiatica (below) and it's leaves are much more sturdy to
touch than the Asiatica as well.

The second Val you spoke of is the Val. sp. "Asiatica" (Corkscrew Val.)
which grows in Haiti, Venezuela, Japan. (Of course MANY U.S. aquatic dealers
grow them here as well.) It gets to about 12" to 18" in length with good
light and Co2 and fertilizer. You will notice the leaves of this genre are
somewhat delicate and break easy.  Hope this helps. Take care,

Victor Di Cosola

<<<Message: 8
Date: Thu, 08 Jan 2004 16:43:07 -0600
From: Rick Engstrom <rvengstromnospam at shaw_ca>
Subject: [APD] Vallsneria identification
To: Aquatic-Plants <Aquatic-Plants at actwin_com>

I have two types of vallisneria in my tank which were given to me some time
back. One grows very tall and ends up floating across the surface of the
water. The leaves would be about 3/8th"wide and slightly twisted or
corkscrew style. The second plant is much shorter about 8" high (have had
this plant for about 12 months) and the leaves are about the same width as
the taller plant, but are much more twisted.

I'm thinking the taller is Vallisneria gigantea however someone told me that
the gigantea leaves would be much wider than mine are. It was suggested to
me that the tall plant was Vallisneria americana however in a plant book I
have by Peter Hiscock it identifies americana as Dwarf val and the
description seems to fit my smaller plant.

I have done some research and needless to say there is a variety of
descriptions for Vallisneria americana from short to very long to corkscrew
to completely straight. Anyone want to take a shot at this based on my


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