text: Heteranthera zosterifolia (Aquatic plants)
  South America; this plant can be found in Brazil, Argentina, Paraguay and Bolivia.
  Cuttings are taken from the mother plant and the bottom leaves removed. The cutting is then placed into the substrate taking care not to crush the stem and root growth should appear very quickly. It is a very brittle plant so any stems that break away can also be treated like a cutting and planted into the substrate.
  This plant gets its common name from the shape of the leaves that appear at the top of the stems. It is capable of producing small blue flowers but seeds will not be formed when the plant is in an aquarium. This plant can also be used in the foreground of the tank to form a carpet plant, to achieve this it will need trimming every 2-3 weeks.