Echinodorus palifolius

Mexican sword plant

Echinodorus palifolius

Mexican sword plant

  • Also known as Echinodorus palaefolius
  • Tropical water plantain from South America
  • Especially suitable for open tanks
  • Submerged leaves lanceolate and freshly green
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Description

The "Mexican Sword" is also known as Echinodorus palaefolius and erroneously as "E. rigidifolius" and "E. argentinensis". It is a big, vigorous swamp plant from the hot areas of central and eastern Brazil. This species is closely related to Echinodorus subalatus that differs by narrower, lanceolate leaves. The plant has a strong tendency to grow out of the water. It gets more than 60 cm tall in its emergent form, developing overhanging inflorescences with rather small flowers and adventitious plantlets later on. The submerged plant is about 30 - 40 cm high with freshly green, lanceolate leaves whose petioles are at least as long as the leaf blades.

Echinodorus palifolius is an undemanding, fast growing plant that copes well with higher temperatures beyond 25 °C. Younger plants stay submerged for a longer period, especially with low nutrient amounts. However, older, stronger plants in nutrient-rich substrate will develop long-stalked aerial leaves soon. After removing them the plant will develop submerged foliage again, but emersed leaves will reappear sooner or later. The plant is propagated in its emersed phase by the adventitious plantlets on the inflorescences.

As submerged plant, this Echinodorus wild type has a modest, natural appearance with its lanceolate, freshly green foliage. However Echinodorus palifolius is especially recommendable as emergent plant for open tanks and tall paludaria where it can develop its full potential and also comes to blossom.

Echinodorus palaefolius is often offered in trade, however, it is not often sold under its real name.
A rather acuminately-tipped form quite similar to E. subalatus (fig. 3-5) is called "E. argentinensis" in trade, however, it has nothing in common with true E. argentinensis, which belongs to the E. grandiflorus complex and cannot be found in trade any more (for further information, please see Echinodorus grandiflorus).
Another form often sold under the trade name "Echinodorus rigidifolius" (which is not a valid botanical name) has wide ovate leaves and bulges at the upper end of the leaf stalk (see fig. 1 and 2). The same form, or one very similar to it, is also traded under the name E. palaefolius var. latifolius.

E. palaefolius originates from eastern Brazil and grows as a bog plant in nature. It is closely related to E. (read more)

Synonyms Sagittaria palaefolia Nees & Mart., Echinodorus palaefolius (Nees & Mart.) J. F. Macbr. var. latifolius (Micheli) Rataj, Echinodorus palaefolius (Nees & Mart.) J. F. Macbr. var. minus (Seub.) Rataj
Misapplied names Echinodorus argentinensis
Trader names Echinodorus frankoiana, Echinodorus rigidifolius
Complete botanical name Echinódorus palifólius (Nees & Mart.) J. F. Macbr.
Family Alismataceae
Genus Echinodorus
Difficulty very easy
Usage Semi-emersed plant for open tanks, Background
Growth fast
Temperature tolerance 15 - 30°C
General hardness 0 - 30°dGH
Propagation Proliferating inflorescences, Rhizomteilung, Splitting, cutting off daughter plants
Can grow emersed? yes
Source Flowgrow
Synonyms
Sagittaria palaefolia Nees & Mart., Echinodorus palaefolius (Nees & Mart.) J. F. Macbr. var. latifolius (Micheli) Rataj, Echinodorus palaefolius (Nees & Mart.) J. F. Macbr. var. minus (Seub.) Rataj
Misapplied names
Echinodorus argentinensis
Trader names
Echinodorus frankoiana, Echinodorus rigidifolius
Complete botanical name
Echinódorus palifólius (Nees & Mart.) J. F. Macbr.
Family
Alismataceae
Genus
Echinodorus
Difficulty
very easy
Usage
Semi-emersed plant for open tanks, Background
Growth
fast
Temperature tolerance
15 - 30°C
General hardness
0 - 30°dGH
Propagation
Proliferating inflorescences, Rhizomteilung, Splitting, cutting off daughter plants
Can grow emersed?
yes
Source
Flowgrow

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