Polygonum ID - The Planted Tank Forum
 
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post #1 of 12 (permalink) Old 08-31-2008, 06:32 PM Thread Starter
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Polygonum ID

I got this plant as Polygonum Sp.

anyone have any idea what var or species this is ?




hey...my algae pearls
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post #2 of 12 (permalink) Old 08-31-2008, 07:33 PM
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u get that from lowcoster?? i got the same one i thought it was POLYGONUM HYDROPIPEROIDES.... but than it started turning red so it is not... how long have u had it submersed mine has been there for about a week. so i am just getting new leafs... great looking plant...


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post #3 of 12 (permalink) Old 08-31-2008, 08:04 PM
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I've seen it listed as Polygonum sp. 'Porto Vehlo'

Just keeping on keeping on....

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post #4 of 12 (permalink) Old 08-31-2008, 08:29 PM
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the leaf shape is different not the spade shape.. looks like it is attached to the stem similar to sp. 'Kawagoneum' and sp. 'Sao Paulo' it might just be because it is emerged growth though... the problem with sp. is that is not a formal name it means it is not a formal id making it ver hard to pin it down. it just kinda of like a name we gave it so we can try to make it cost more ...lol i have 5 - 6 different poly sp. so far and there are small differences in each one... really amazing to me


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post #5 of 12 (permalink) Old 08-31-2008, 08:35 PM
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Looks like Hygrophila Araguaia to me.




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post #6 of 12 (permalink) Old 08-31-2008, 09:13 PM
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^^^^^^^^^

agreed

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post #7 of 12 (permalink) Old 08-31-2008, 09:20 PM
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Quote:
Originally Posted by mrkookm View Post
Looks like Hygrophila Araguaia to me.
I have some of that. Mine is finally beginning to grow a little. I thought this plant didn't get very tall, kind of hugged the ground. This px makes it appear quite tall. Does it get that tall?

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post #8 of 12 (permalink) Old 08-31-2008, 09:41 PM
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does it have 1 or 2 leaf prenode....correct me if i am wrong but i think poloys have one hygro i belive have 2 leaf prenode..


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post #9 of 12 (permalink) Old 08-31-2008, 09:52 PM
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Quote:
I thought this plant didn't get very tall, kind of hugged the ground.
In my experience it grows upright under lower light conditions.




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post #10 of 12 (permalink) Old 09-01-2008, 03:17 AM Thread Starter
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yes I get this plant from lowcoaster

but it is exhibiting the typical polygonum growth, it grows straight up without the branching, it has 2 leaves per node.

I have only had it for a week or so and so far, its been growing straight up

I have over 4 wpg on my 125 gal

but after comparing both Hygro Araguaia and Polygonum HydropiperoidesI would say it looks very very much like the Araguaia

hmm...I was looking for something that goes right up instead of bushy

so...lets get more opinions in

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post #11 of 12 (permalink) Old 09-01-2008, 04:42 AM
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You've got a Hygrophila. An EASY way to tell a Polygonum is the presence of an ocrea, or the sheath around where the leaf comes from the node. Look at the Polygonums here to see what I mean:
http://www.missouriplants.com/Whiteo...cies_list.html
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post #12 of 12 (permalink) Old 09-01-2008, 03:22 PM Thread Starter
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I guess it is a Hygro Araguaia....oi

Well well, hopefully mine will grow up tall instead of sideways

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