09-21-2010, 06:20 PM
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Originally Posted by redchigh
I'm looking for a nice background plant for one of the corners... Something 10-12 inches tall would be perfect.... I picked the vesuvius because I read that Augistifolias don't get much bigger than 30cm, which, unless my math is wrong is 12 inches...
The parviflorus looks like what I had in mind.. And the Kleiner bar in other pictures I've seen.....
Guess I'll have to get all three. :-/
Leaf lengths in Echinodorus (as in many crypts too) frequently depend upon conditions; light and nutrients can vary the leaf sizes. Kasselmann says 60cm for submersed leaves, as does Neil Frank, Rataj says between 30 and 50cm, Robert Hudson says 6 inches,maybe 10.
In very bright light they would probably remain at the smaller end of the range. In less light, larger. However, I just spotted that you have the hybrid variety Vesuvius; it may well be shorter. Florida Aquatics market it, they say it originated (i.e., was developed) in SE Asia at Oriental Aquarium.
The "original" E. angustifolius is more probably not an Echinodorus, and also not a true species; there are only five accepted species in the "dwarf sword" group now, and "angustifolius" isn't among them. As Holm-Neilson thought this was a variant (same species) of E. bolivianus, that is probably where it is, as Helanthium bolivianum.