Additional:
This beautiful plant requires a lot of light. Without enough light,
no red colors will be visible, and the lower leaves of the plant
will fall off, and sometimes the plant starts too rot near the bottom.
References:Kasselmann, Christel; Handboek Aquariumplanten(1998). B.V. Uitgeversmaatschappij
Tirion, Baarn.
De Wit