Echinodorus cordifolius

Creeping burhead

Echinodorus cordifolius

Creeping burhead

  • Large swamp plant from North to South America
  • Broad, heart-shaped leaves
  • Showy white flowers
  • Recommendable for open tanks
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Description

The Creeping burhead is a large swamp plant, occurring from eastern North America to South America. It is found on lakeshores, in ponds, ditches and swamps. Echinodorus cordifolius is able to grow submerged for some time, developing short-stalked leaves. However, under favorable conditions long-stalked, broadly heart-shaped aerial leaves will appear. The plant regularly develops long inflorescences with showy white flowers and adventitious plantlets. The name "Creeping burhead" relates to the fact that the older inflorescences with developing young plants lay down on the ground.
The nurseries produce several different plants under the name Echinodorus cordifolius. There are especially large plants with roundish, coarse leaves that are probably Echinodorus floribundus rather than E. cordifolius. However, both species are best suited as half-emersed plants for open tanks where they make a showy, up to one meter tall specimen plant with striking foliage and white flowers.

As well as other Echinodorus, this plant grows best with a nutrient-rich substrate and rather strong lighting. Bottom fertilizers such as Tropica Nutrition Capsules may help against nutrient deficiencies, also loam balls in the substrate may be beneficial. It is possible to keep younger plants under water by cutting off newly appearing long-stalked leaves, however strong plants will grow out of the water sooner or later. This Echinodorus can be propagated by cutting off young adventitious plantlets from the inflorescence.

As mentioned, Echinodorus cordifolius is primarily a striking swamp plant for open aquariums and tall paludariums (more than 1 m high).

Creeping burhead, or Echinodorus cordifolius, is a very variable species distributed in the eastern and south-eastern parts of the USA to South America. Depending on the author, sometimes Echinodorus ovalis and E. fluitans are considered to belong to the species E. cordifolius, or as species in their own right.
E. cordifolius is mainly found growing emersed on marshlands, ponds or in the shallow water of lakeshores.
Typical forms of E. cordifolius, as they occur in the South of the USA, are high-growing plants with wide heart-shaped leaves. However, there are some populations with narrow-oval to lanceolate leaf blades.
Sometimes, plants sold as E. cordifolius that grow very large and have round heart-shaped leaves might really belong to the species Echinodorus floribundus (from the group of plants related to E. grandiflorus).
E. (read more)

Common names Creeping burhead, Radican sword
Synonyms Alisma cordifolium L., Echinodorus fluitans Fassett, Echinodorus radicans (Nutt.) Engelm., Sagittaria cordifolia (L.) Lam., Sagittaria radicans Nutt.
Complete botanical name Echinódorus cordifólius (L.) Griseb.
Family Alismataceae
Genus Echinodorus
Difficulty easy
Usage Semi-emersed plant for open tanks, Background, Midground, Specimen plant
Height 30 - 50cm
Width 20 - 40cm
Growth fast
pH value 5 - 8
Temperature tolerance 15 - 30°C
Carbonate hardness 0 - 21°dKH
General hardness 0 - 30°dGH
Propagation Proliferating inflorescences, Rhizomteilung, Seeds, Splitting, cutting off daughter plants
Can grow emersed? yes
Source Flowgrow
Common names
Creeping burhead, Radican sword
Synonyms
Alisma cordifolium L., Echinodorus fluitans Fassett, Echinodorus radicans (Nutt.) Engelm., Sagittaria cordifolia (L.) Lam., Sagittaria radicans Nutt.
Complete botanical name
Echinódorus cordifólius (L.) Griseb.
Family
Alismataceae
Genus
Echinodorus
Difficulty
easy
Usage
Semi-emersed plant for open tanks, Background, Midground, Specimen plant
Height
30 - 50cm
Width
20 - 40cm
Growth
fast
pH value
5 - 8
Temperature tolerance
15 - 30°C
Carbonate hardness
0 - 21°dKH
General hardness
0 - 30°dGH
Propagation
Proliferating inflorescences, Rhizomteilung, Seeds, Splitting, cutting off daughter plants
Can grow emersed?
yes
Source
Flowgrow

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