12-21-2012, 12:23 PM
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I have one of these, though it is doing poorly because of my low light.
The Echinodorus "Kleiner Bar" cultivar [= not a distinct species] was developed in the early 1990's, apparently from three species, E. parviflorus, E. X barthii and E. uruguayensis (sometimes seen as E. horemanii "red").
Grown submersed it will reach up to 15-25 cm and be compact. Leaf colouring is normally a deep dark red, but in low light it will fade to greenish [mine did this]. As you have fairly bright light, you will see it red.
Some species in this genus will grow larger (taller) with less light, but I've no data if this is the case here. Mine certainly hasn't, but then my light is probably too little in the first place.
One last point; all Echinodorus are bog plants, the natural species spending half the year emersed and half submersed. Different leaf forms will occur during either period. As most swords are raised emersed (less cost, and quicker) the leaf form it had when you bought it might well have been the emersed. The submersed form could be different. I've not seen this plant emersed, so can't confirm.