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ENCYCLOPEDIA OF PLANTS
Echinodorus cordifolius (Echinodorus heart-shaped)
Alismataceae (alismataceae) family.
Rastprostranenie Venezuela, Netherlands Antilles, Mexico.
Powerful marsh plant. Petiole length of 120 cm, three-edged, bare. Leaf blade broadly ovate, measuring 40 x 24 cm, with acute, sometimes rounded tip and a rounded, docked or slaboserdtsevidnym base with rounded lobes, neutral green, underwater often with reddish spots. Has (5) 7 - 9 veins. Transparent strokes short and clearly.
The inflorescence is formed emersed or underwater plants on a long day, initially erect, later flowing and creeping, with affiliated plants. Peduncle up to 110 cm inflorescence 7 -. 12 whorls, three-edged spike between whorls. Bracts 1.5 - 2.5 cm long, pointed. Pedicel 1 - 7 cm Flower size 2.5 - 3 cm. Sepals about 5 x 6 mm. Petals of 1.2 - 1.7 mm, almost round. About 17 - 22 stamens staminate thread to 2 mm. A large number of carpels. Nuts about 2.5 mm, a width of 0.8 - 1.2 mm on each side for 3 - 4 ribs 1 - 5 drusen; beak and 1 mm.
Echinodorus heart-belongs to the medium and large Echinodorus, for the cultivation of which requires a large aquarium. Unfortunately, most cultured populations with an increase in growth and a long photoperiod (illumination more than 12 hours) tend to throw out of the water his heart-shaped leaf blades. To suppress this undesired property for aquaculture should reduce the lighting time to 10 hours. If the heart-Echinodorus still grown at a length of daylight hours to 12 hours, you should use the nutrient-poor soil and not too intense lighting. Too large plants can be a long time to keep young, radical removing leaves. For of planting the aquarium are best suited subsidiary plants, because then they need to be trimmed just a few months. The optimum temperature 20 - 28 degrees C.
Echinodorus heart-inhabit marshy habitat.
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