Echinodorus bracteatus
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| Echinodorus bracteatus Micheli in DC. Monogr. Phaner. 3:59, 1881 |
In Rataj's taxonomy E. bracteatus is in Section Cordifolii, Subgenus Echinodorus.
There are two different forms, variously described as varieties or subspecies, viz:
var. bracteatus (Panama and Ecuador) var efenestratus Fassett in Rhodora, 57:174 (1955) from Ecuador.
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[edit] Description
Leaves 20 - 80 cm long, long-petioled, blades cordate, at base lobate, at tip obtuse or shortly acuminate, 2/3 as broad as long, mostly about 30 cm, but sometimes more than 50 cm long. Pellucid markings in shape of points or short ovals, or absent.
Stem erect, 70 - 150 - 190 cm long, alate. Infloresence paniculate, having usually 12 - 17 whorls. Bracts distinctly longer than the flowers, connate, 1.5 - 2 cm, exceptionally 6 cm long x 0.5 - 0.8 cm wide, having 25 - 30 ribs.
Flowers sessile or nearly so, having the pedicels only 1 - 2 mm long. Corolla white, usually 2.5 cm in diameter, stamens 20 - 24, anthers as long or broadly shorter as the filaments. Achenes claviform, short-beaked, with 4 - 5 facial ribs and usually 1 facial gland. Glands rarely 2 or absent.
[edit] Distribution
Ecuador and Panama but may be more widely distributed. Found in roadside ditches, swamps, wet forests and similar.
[edit] Cultivation
One of the larger Amazon Swords. Can grow too large for the average aquarium. Needs a large space, deep, rich substrate and plenty of light. According to reports, it flowers in the summer but doesn't set seed.
