Porto Velho' differs from Staurogyne repens by its narrower, lanceolate leaf form with the apiculate tip and its rather greyish green and in some parts even purple leaf colour. Description from flowgrow.de. I searched for this on bing.com/images
5 gallon tank= a good betta tank with live plants. Your betta will display beautiful swimming, flaring and exploring behavior in these larger tanks that you may not see when they are kept in smaller habitats.
Tropical Fish Care Tanks: Here is a step-by-step guide to a Iwagumi style set up I recently did. This is a 5 gallon Fluval tank, so really small, and sits on a bookcase in the living room. I will post more pics as it grows in!