Tropical Fish Keeping - Aquarium fish care and resources

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kangy 01-02-2012 12:28 AM

Plant ID Help (very thin red stem plant)
Can anyone positively ID this plant for me? I've had it for about a week floating and it's sprouted about 6-7 new baby branches off each stem so I'm pretty sure it likes high light, I now have it stuck in the top of my driftwood to keep it close to the light.

kangy 01-02-2012 12:35 AM

Also, the stems seem very healthy, I did trim off an inch or so from the bottom of each stem as they were burried at the LFS. The new leaves on the baby stem's branching out are coming in green. I assume due to my lighting.

Byron 01-02-2012 12:49 PM

I can't be "positive" as requested;-) but I would offer the suggestion that this is Ludwigia arcuata. Another marsh plant, the emersed leaf is green but submersed leaves are green to red; high light intensity enhances the red colouration. Kasselmann writes that the submersed leaves will become green with insufficient lighting, as you appear to be noticing. As we've been discussing in your other thread, light intensity is crucial with red leaf plants since water absorbs red wavelengths rapidly.

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