Alismataceae

Helanthium bolivianum 'Vesuvius'

Helanthium bolivianum

A variety of:Bolivian Chain Sword

A cultivar of the Bolivian chain sword with leaves twisted like a corkscrew — hence its common names 'corkscrew sword plant' and 'Vesuvius sword plant'. The first cultivar among the runner-forming 'grassy' sword plants.
Light
low
Difficulty
easy
Height
10 – 15 cm (3.9 – 5.9 in)
Temperature
10 – 30 °C (50 – 86 °F)
Native rangeRange on the map
  • Argentina Northeast
  • Bolivia
  • Brazil Northeast
  • Brazil North
  • Brazil Southeast
  • Brazil South
  • Brazil West-Central
  • Colombia
  • Costa Rica
  • Dominican Republic
  • Ecuador
  • El Salvador
  • Guatemala
  • Guyana
  • Honduras
  • Jamaica
  • Mexico Southeast
  • Netherlands Antilles
  • Nicaragua
  • Panamá
  • Paraguay
  • Peru
  • Puerto Rico
  • Venezuela

Tank conditions

Leaf colour
green
Plant type
rosette
Growth rate
fast
CO₂ demand
low
Tolerates light
medium – high
pH
5 – 7
Carbonate hardness
0 – 14 °dKH
General hardness
0 – 30 °dGH
Placement
midground, nano tank +3 midground, nano tank, foreground, carpet, background
Propagation
runners
Grows emersed
yes

Care and keeping

Appearance

Leaves twisted like a corkscrew — hence its common names 'corkscrew sword plant' and 'Vesuvius sword plant'.

Keeping

Easy, growth fast, light medium to strong, CO₂ 10–40 mg/l, temperature 20–26 °C. Propagates by runners.

Placement

Background and midground, nano aquarium.

Trade names

Better known as Echinodorus 'Vesuvius'. Selected before 2006 at a nursery in Singapore from stock plants of 'Angustifolius'; presented to the public in 2006. The first cultivar among the runner-forming 'grassy' sword plants.

Fish and this plant

Matching water does not mean the fish will leave the plant alone.

Scientific and other names, conservation status

Other scientific names
Alisma bolivianum Rusby, Echinodorus bolivianus (Rusby) Holm-Niels., Echinodorus angustifolius Rataj, Echinodorus latifolius (Seub.) Rataj, Echinodorus magdalenensis, Echinodorus quadricostatus var. xinguensis, Echinodorus sp. tortifolia, Alisma bolivianum, Alisma tenellum latifolium, Echinodorus angustifolius, Echinodorus australis, Echinodorus austroamericanus, Echinodorus bolivianus, Echinodorus isthmicus, Echinodorus latifolius, Echinodorus quadricostatus, Echinodorus quadricostatus magdalenensis, Echinodorus quadricostatus xinguensis, Echinodorus tenellus apanecae, Echinodorus tenellus latifolius, Echinodorus xinguensis
Helanthium bolivianum
(Rusby) Lehtonen & Myllys