It is native to Brazil, Paraguay, Uruguay, Argentina, Venezuela and Florida.

Blade ovate, at the tip shortly acuminate, at the base abrupt, or regularly oval, at the tip blunt or incised, 15 – 26 cm x 7 – 15 cm wide with 7 - 13 veins and distinct pellucid lines.

Submersed leaves on short petioles, blades oval or ovate, on both ends acuminate or blunt.

A strong grower, too big for the average aquarium, the leaves soon growing out of the water.

[citation needed] Apparently rarely found in the trade, the majority (if not all) specimens being offered being E.