Echinodorus subalatus
Encyclopedia
In Rataj's taxonomy E. subalatus is in Section Palaefolii, Subgenus Echinodorus

Synonyms

Alisma subalatum Mart. including majus, medium and minus; E, rubonervis Hort.; E. rangeri Hort.

Description

Leaves
Leaves
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 with canaliculate petioles, blades lanceolate, narrowly to broadly ovate, sharp on the tip, decumbent or rarely abrupt on the base, 18 – 24 cm long x 2 – 9 cm wide, with terrestrial forms usually only 10 x 2 cm having 5 - 7 veins and distinct pellucid lines.

Stem below cylindrical, between whorls triangular, often alate, 35 – 120 cm long. Inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

 racemose or paniculate having 4 - 15 whorls. Bracts on base connate, longer than the pedicels (up to 3.5 cm). Pedicels 0.5 – 2 cm long. Sepals 4 – 6 mm long, petals about twice as long, the diameter of the corolla 1.2 - 1.5 cm. Usually 12 stamens, achenes 2 x 1.5 mm with one, rarely 2 glands separated by a rib. Stylar beak bent back - reaching usually 1/4 of the body.

Vegetatively resembles E. andrieuxii, nut differs by having distinct pellucid lines, a usually paniculate infloresence and by achenes with beaks that are at most 1/3 as long as the body.

Distribution

Central America to South Brazil. Found naturally growing in mud by the side of streams.

Cultivation

Deep, rich growing substrate and a good light. Will grow submersed or emerse. Benefits from additional CO2.

External links

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