I Blow at plant ID and would appreciate a little help. Most likely HYGROPHILA CORYMB - The Planted Tank Forum
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post #1 of 18 (permalink) Old 11-25-2006, 05:32 AM Thread Starter
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I Blow at plant ID and would appreciate a little help. Most likely HYGROPHILA CORYMB

I am trying to ID the plant in the center back, behind the l Reopens.

Thanks!






I can post a close up shot tomorrow if it is needed


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post #2 of 18 (permalink) Old 11-25-2006, 03:29 PM
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close pic would be helpful...
off hand i would say jungle vallisneria

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post #3 of 18 (permalink) Old 11-25-2006, 03:37 PM
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off hand i would say jungle vallisneria
The color is pretty light green. Also, the plants seem to be originating from a central point. A patch of Val that thick would be more spead out, I would think.

The blades also seem thin and light.

It is Cyperus helferi, in my eye.


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post #4 of 18 (permalink) Old 11-25-2006, 03:55 PM
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HYGROPHILA CORYMBOSA 'ANGUSTIFOLIA' can look a lot like that if your tank isn't super tall.
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post #5 of 18 (permalink) Old 11-25-2006, 04:25 PM
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Originally Posted by MoonFish View Post
HYGROPHILA CORYMBOSA 'ANGUSTIFOLIA' can look a lot like that if your tank isn't super tall.
That is my guess, but we need a close up to know for sure.
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post #6 of 18 (permalink) Old 11-25-2006, 04:45 PM
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I think H. corymbosa 'angustifolia' too.


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post #7 of 18 (permalink) Old 11-25-2006, 05:00 PM
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I think H. corymbosa 'angustifolia' too.
I might agree, because I can't get my C. helferi to grow that thick and tall, yet. But I have to agree with Mike, as its exactly that shape of leaf.
It is in a 90G, right? Also, isn't Augustifolia more wild/twisty?





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post #8 of 18 (permalink) Old 11-25-2006, 05:10 PM
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Also, isn't Augustifolia more wild/twisty?
Well, mine isn't. One thing that I've noticed is that up top with high light it tends to get a copper coloring to it, just on top. This may be because I've restricted my nitrates. The plant in question seems to be very bright green, so if it is angustifolia maybe they just have lower light or higher nitrates than me?


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post #9 of 18 (permalink) Old 11-25-2006, 05:32 PM
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It's easy to settle the debate. If the plant grows like a rosette (all leaves come from the roots), then it's probably C. helferi. If it grows leaves off of a central stem, then it's probably Augustifolia. The hygro tends to be more wild and twisty in my tanks. The leaves on it also tend to widen as the stem gets thicker.
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post #10 of 18 (permalink) Old 11-25-2006, 05:44 PM
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I think I'm seeing brownish stems in there (I might be seeing things), and that with the ribbon like leaves led me to think of Eichhornia azurea...
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post #11 of 18 (permalink) Old 11-25-2006, 08:55 PM
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Well, since it's a plant I sent him (sorry for the delay in my PM response ), I received it a H. polysperma 'angustifolia', so that's my vote .
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post #12 of 18 (permalink) Old 11-26-2006, 03:15 AM Thread Starter
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Thanks for the ID. I will post a pick to hopefully help others.



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post #13 of 18 (permalink) Old 11-26-2006, 03:18 AM
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Picture is worth a thousand words!

H. corymbosa 'angustifolia' it is!

Great call, MoonFish!!!

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post #14 of 18 (permalink) Old 11-26-2006, 08:36 PM
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H. polysperma 'angustifolia', so that's my vote .
You probably already know this, but augustifolia is a sub specie of corymbosa, not polysperma. Correct name is Hygrophila corymbosa var augustifolia. A syn. for Hygrophila corymbosa is Nomaphila stricta. There is also some debate as to if augustifolia and salicifolia are the same specie. Another street name is Willow leaf Hygrophila

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post #15 of 18 (permalink) Old 11-26-2006, 10:09 PM
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You probably already know this, but augustifolia is a sub specie of corymbosa, not polysperma.
DOH! I *did* know that, though I did mis-speak above. Thanks for the correction, Robert. I hate to spread mis-info!!
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