Echinodorus osiris

Melon Sword

Aquarium suitability: yes
Usage: Background
Difficulty: easy
Growth: fast
Range and localities: 

South Brazil

Common names: 
  • Melon Sword

Trader names [?]: 
  • Echinodorus aureobrunneus
  • Echinodorus osiris rubra

Habit, plant type:

  • rosette
Botanical name [?]: Echinódorus osíris Rataj

Major group (unranked): Seed plants: Flowering plants (Angiosperms)
Order: Alismatales
Family: Alismataceae
Genus: Echinodorus


Various authors count Echinodorus osiris among the highly variable species E. uruguayensis. However, there are also hints that it is a natural hybrid of E. uruguayensis and another species. It was collected in very few locations in rivers with a strong current in southeastern Brazil. E. osiris was one of the first reddish Echinodorus that were brought into the hobby decades ago, long before the first red Echinodorus hybrids were cultivated.

- to be continued -

References and further reading:
  1. (folgt)
Light medium to high 
Temperature tolerance 8 to 28 °C
Optimum temperature 15 to 26 °C
Nitrate (NO3-) 10 to 50 mg/l
Phosphate (PO43-) 0.1 to 3 mg/l
Potassium (K+) 5 to 30 mg/l
Iron (Fe) 0.01 to 0.5 mg/l

Growth: fast

Propagation: Proliferating inflorescences, Rhizomteilung, Splitting, cutting off daughter plants

Can grow emersed?: yes

Suited for outdoor cultivation / ponds: yes

Winter hardiness: half-hardy in Germany

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TODO Echinodorus osiris is also known as Melon Sword. TODO

Wasserpflanzen sind ein fester Bestandteil der meisten Aquarien. Beim Aquascaping, dem Naturaquarium, Biotop-Aquarium oder dem Gesellschaftsaquarium sind Wasserpflanzen nicht nur für die Wasserqualität entscheidend, sondern sorgen auch stets für eine optische Aufwertung des Aquariums.