Ludwigia natans instructions? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 6 Old 03-21-2011, 11:33 AM Thread Starter
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Ludwigia natans instructions?

I picked up this plant at an auction yesterday, and am having trouble finding information on it.

For now I have buried it in the substrate... is this the right way to plant it?

And since it has some red in it, I assumed that means it has higher light requirements, so I put it directly under the light...

Can anyone who has experience with/knowledge about this plant let me know if I've done the right thing with it?
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post #2 of 6 Old 03-21-2011, 11:47 AM
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Quote:
Originally Posted by iamgray View Post
I picked up this plant at an auction yesterday, and am having trouble finding information on it.

For now I have buried it in the substrate... is this the right way to plant it?

And since it has some red in it, I assumed that means it has higher light requirements, so I put it directly under the light...

Can anyone who has experience with/knowledge about this plant let me know if I've done the right thing with it?
I have some ludwigia Glandulosa that is similar and been in my tank for a couple weeks and seems to be doing well (staying red/purple)
I planted them( four bunches,) into my substrate with approx two to three inches space between bunches.
Mine came with five or six stems wrapped with metal strip which I left on to help keep them in place.
I too placed them directly under the light.
was told that mine are slow grower's even with CO2 injection and are therefor best suited for mid ground placement which is where I placed them.

The most important medication in your fish medicine cabinet is.. Clean water.
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post #3 of 6 Old 03-23-2011, 09:53 AM
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I have no clue why, but ludwigea natans and ludwigea repens are the same plant.

It's an excellent medium to low light plant. Make sure you get a good liquid fertiliser and you'll be fine.
Flourish Comprehensive is highly reccomended.

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^^ genius
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post #4 of 6 Old 03-23-2011, 12:37 PM
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I have no clue why, but ludwigea natans and ludwigea repens are the same plant.
The species was initially described in 1771 by Forster as Ludwigia repens. This plant can occur in several different forms, differing slightly in leaf shape and colour. In 1821, a group of botanists described what they assumed was a different species and called it Ludwigia natans. Munz in 1965 determined that the variant forms all have intermediate forms, so it is one species with variants. Under the rules of scientific nomenclature the earliest species epithet must prevail [except in very unique circumstances that I won't go into here] and subsequent epithets that may have been assigned as "species" become synonyms. So correctly, this species is Ludwigia repens Forster 1771.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If youíre going to take it under your wing then youíre responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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iamgray (03-23-2011)
post #5 of 6 Old 03-23-2011, 02:06 PM Thread Starter
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Thanks!

It's good to know that it's the same as Ludwigia Repens. I did find a lot of sites that referred to that plant name but didn't bother really looking at them because I assumed it was the wrong thing!

I use Flourish Comprehensive at least once a week (twice if I remember!) and since when i planted it I wasn't really sure what to do with it, I put it near some swords that have root tabs in close proximity as well.

I'm really enjoying the look of it in my tank - it adds a nice bit of colour to break up all the green!
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post #6 of 6 Old 03-23-2011, 03:17 PM
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Ah, I'm glad I was calling it the right name all along. that's quite interesting.

Stem plants don't really need root tabs, and take their nutrients from the water column.

That being said, I've observed my ludwigea growing huge root systems in many of my tanks.

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