Heiko Muth (2009)

Echinodorus sp. "macrophyllus"

Aquarium suitability: yes
Usage: Semi-emersed plant for open tanks, Background
Difficulty: easy
Growth: fast
See also: Echinodorus macrophyllus
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Range and localities: 

genaue Herkunft der kultivierten Pflanzen unbekannt

Height: 20 - 50 cm
Width: 10 - 40 cm

Misapplied names: 
  • Echinodorus macrophyllus

Habit, plant type:

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


The denomination Echinodorus macrophyllus is ambiguous, in aquaristics as well as in science, as several different plants are known under that name.
E. macrophyllus sensu stricto is only known from a few locations in the coastal parts of southern Brazil. Those plants found in trade under that name should probably be assigned to another species, some of them seem to belong to a variety of E. cordifolius.

Also known as E. "radicans", the plant sold as E. "macrophyllus" is one of the large-growing, wide-leaved sword plants that soon develop emersed leaves even in large aquaria. When kept under short-day conditions (uninterrupted dark nocturnal phase of at least 13 hours) they may grow submersed for a longer period of time. However, this Echinodorus is primarily suitable as decorative emersed plant in open tanks or in large paludaria. Its large roundish, deep-cut heart-shaped leaves on their long stalks reach far above the waterline. In order to prevent them from wilting in the dry indoor air it is recommendable to spray them with water regularly.

Under good growing conditions, the plant will sprout ramified overhanging flower stalks with relatively large white flowers and a great number of adventitious plants that can be used for propagation.

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