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Myriophyllum pinnatum - Green Foxtail, Cutleaf WatermilfoilMagyarul / Hungarian
Myriophyllum pinnatum - Green Foxtail, Cutleaf WatermilfoilMyriophyllum pinnatum - Green Foxtail, Cutleaf WatermilfoilMyriophyllum pinnatum - Green Foxtail, Cutleaf Watermilfoil
  • Scientific name: Myriophyllum pinnatum
  • Synonyms: Potamogeton pinnatum, Myriophyllum scabratum
  • Common name: Green Foxtail, Cutleaf Watermilfoil
  • Family: Haloragaceae
  • Group: Aquarium plants
  • Max height: 50-60 cm
  • Distribution: Eastern and Southern North America, Cuba
  • Habitat: Inhabits in marsh forests, lakes and pools on boggy banks, or in shallow water.
  • Substrate: Plain washed gravel
  • Placement in aquarium: Background
  • Planting density: 5-6 plants for 20 cm2
  • Lighting needs: Medium-Bright
  • Temperature: 18-24 °C
  • pH: 6,5-7,5
  • Hardness: 5-15 NK°

Description: Easily confused with Myriophyllum tuberculatum, but Myriophyllum pinnatum has green leaves and red stems. Stem is 2-4 mm thick, the leaves are 3-4 cm long. Green Foxtail will grow very rapidly in the aquarium, and they can even grow partially above the water. Ideal background plant to hide equipment, and to provide refuge for small fry. In their natural habitat Easily distinguished from other varieties in that the leaves do not form true whorls. The plant normally grows 2 or 3 leaves along th estem in pseudo-whorls, one leaf generally set higher than the others. Cutleaf Watermilfoil will flower from March to June.

Reproduction is quite easy, just cut the top of the plant and plant it 2-3 cm deep into the gravel. It will also produce numerous side shoots, which can be removed and replanted. The Myriophyllum pinnatum benefits from regular additions of CO2, iron rich fertilizers, and trace elements.