Helanthium bolivianum

Bolivian sword

Aquarium suitability: yes
Usage: Midground, Nano tanks, Foreground, group, Foreground, ground cover
Difficulty: easy
Growth: fast

Common names: 
  • Bolivian sword

  • Alisma bolivianum Rusby
  • Echinodorus bolivianus (Rusby) Holm-Niels.

Habit, plant type:

  • rosette
Botanical name [?]: Helánthium boliviánum (Rusby) Lehtonen & Myllys

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


Helanthium bolivianum belongs to the "small" runner-forming sword plants, which have been separated from the genus Echinodorus and allocated a genus of their own according to recent relatedness analyses. Most aquarists still know H. bolivianum rather under its "old" name Echinodorus bolivianus.

Opinions vary, which plants really belong to this species. In the widest sense, it comprises several "species" like Echinodorus latifolius, E. angustifolius or E. quadricostatus. In the hobby and in trade, several different plants are named Echinodorus bolivianus in the narrower sense. One of the is probably identical with Echinodorus latifolius (see Helanthium bolivianum "latifolius"), another one, with wider emersed leaves, was known in the hobby decades ago under the name Echinodorus austroamericanus.

To be continued...

Light medium to high 
Temperature tolerance 10 to 30 °C
Optimum temperature 20 to 26 °C
Carbonate hardness 0 to 14 °dKH
pH value 5 to 7.5 
Carbon dioxide (CO2) 10 to 40 mg/l
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: Runners

Can grow emersed?: yes

Suited for outdoor cultivation / ponds: unknown

Winter hardiness: not hardy in Germany

There is no detailled information for cultivating this plant yet.
Aquascaping: forms a grass-like lawn

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Trading possible?
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TODO Helanthium bolivianum is also known as Bolivian 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.