Hi PaulHeyPK said:To me, this plant looks a lot like C. pontederiifolia or moehlmannii. C. cordata should have a lot more red on the undersides of the leaves.
Howdy budak.blogs ?????budak said:By the waxy upper leaves, quite sure it's a member of the cordata group, not ponti/mohlmanni (which tend to develop non-smooth leave surfaces underwater). Cordatas don't necessarily have deep red undersides.