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post #1 of 11 (permalink) Old 09-22-2004, 10:21 PM Thread Starter
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plant id

I found 1 stem of an unknown plant growning in the glosso I ordered a month ago. Its now grown and I`m trying to find out what it is. heres a pic



It is currently spreading along the ground in the same manner as the glosso, but it gets much higher about 2cm above the substrate. To give you an idea of the scale of this plant the small group of plants in the center of the pic is glosso (new glosso, so small leaves)
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post #2 of 11 (permalink) Old 09-22-2004, 11:27 PM
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Sort of looks like Needle Leaf Ludwigia, but I would expect that to grow higher than that.

Del Goins

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post #3 of 11 (permalink) Old 09-23-2004, 01:10 AM
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looks like it is Hemianthus micranthemoides or maybe Rotala rotundifolia "green", but I have never grown either of those plants myself...so it might be something else
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post #4 of 11 (permalink) Old 09-23-2004, 02:18 AM
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Hemianthus micranthemoides.

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post #5 of 11 (permalink) Old 09-23-2004, 05:00 AM
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I concur with momo there. I've kept R. rotundifolia "green" before and it doesn't look anything like that.

Eric


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post #6 of 11 (permalink) Old 09-23-2004, 06:23 AM Thread Starter
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cheers for your input guys, I take it that this plant is like glosso, in that if you give it lots of light it grows horizontaly instead of verticaly? I`ve searched the net for pics of Hemianthus micranthemoides and all the ones I can find are growing verticaly, but the tank this plant is in is 7 wpg so that could explain it. Anyway I yanked it out last night as to not "infect" my glosso tank. Its going to be replanted in another tank with less light, so we will see how it grows.

Cheers again

Dave
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post #7 of 11 (permalink) Old 09-23-2004, 04:20 PM
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It tends to grow more horizontally in a high light tank versus vertically. I received a small bit of it (1 cm piece that was hitchhiking on the L. aromaticoides), and it's growing at a decent rate. I have a patch that's about 2 inches in diameter, and as it's spreading, the additional sideshoots are sending out runners like mad. I got some glosso to start me out from another member on this board (around 20 plants this last weekend), and the H. micranthemoides is growing in at around the same height as the glosso.

I'm still deciding on what I want to use as a foreground plant. Traditionally, I've used either glosso or hairgrass for it, but the H. micranthemoides would speed up the process (growing at least twice as fast as the other two). All three plants are in the same tank, and I'm probably gonna use some plastic sheets to separate them for the moment.

Then, there's also the coveted H. callitrichoides. One can only wish for the moment.

Eric


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post #8 of 11 (permalink) Old 09-23-2004, 07:54 PM
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I am not sure this is the true Pearlweed. Real H. micranthemoides has 3-4 leaves per node, while this one has only two. There is a pic in Kasselmanns book that looks just like this plant, but I can't remember the name right now.

Funny thing with this plant is if you let it grow into a carpet and then give it a "haircut" you end up getting a living bubble wand for a few weeks.


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post #9 of 11 (permalink) Old 09-23-2004, 09:30 PM
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There is a two leafed variety of the plant out there. I had some and a couple of members of this board had some. I believe the two leafed variety is the one Amano uses often.

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post #10 of 11 (permalink) Old 09-23-2004, 11:12 PM
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I have (had) both plants, and while the "normal" 3-4 leaf Pearlweed died quickly, the 2 leaf variety grows very well. I suppose that has something to do with my light levels.


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post #11 of 11 (permalink) Old 09-24-2004, 08:29 AM Thread Starter
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cheers for the info guys
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