The plant I have looks a lot like Alternanthera
http://www.plantgeek.net/plantguide_viewer.php?id=10
it definately has the little white shoots coming out of the stem and the coloration is right but I think the structure of the leaves is slightly different.
http://www.plantgeek.net/plantguide_viewer.php?id=10
it definately has the little white shoots coming out of the stem and the coloration is right but I think the structure of the leaves is slightly different.