Eichornia azure (Eichhornia azurea) or, as they call it, Eichornia water (Eichhornia aquatica) – aquarium plant Pontederiev family (Pontederiaceae).
Place of growth Eichornia Azure are ponds, lakes and swamps of South America.
Long stem Eichornia Azure It has an interesting structure: the part of the stem under water has short internodes, but its surface part is long. Surface oval-rounded, with a ribbed surface, the leaves have a long petiole. Bright green leaves reach a length of 8 cm and a width of 7 cm.
Underwater form Eichornia Azure has another arrangement of leaves. The lamina of the plant has a narrow linear shape, reaching a length of 15 cm and a width of 1 cm. The appearance of the blunt-pointed tip of the leaf blade eichornia like a palm tree.
The peduncle of the plant has an inflorescence consisting of 6–12 large flowers of blue color with a purple tint, and to the center of the flower the color changes to a darker one. The petals of a flower have a fringe, each top petal is decorated with a round yellow speck.
Eichornia azure grows to 60 cm.
Usually, Eichornia azure planted in a group, preferably in the middle or in the background aquarium. Landing is especially beautiful eichornia ladder so that the leaves have a parallel arrangement. For cultivation in aquarium conditions used only underwater form of the plant.
Eichornia needs to be cut quite often in order for it not to grow over water. If you do not, the plant quickly loses its decorative effect.
With keeping plants in an aquarium It is necessary to adhere to the following parameters: water temperature in the range of 18-28 ° C, pH 4-7 and hardness in the range from 2 to 16 °. Water filtration necessary, necessarily the presence of the flow. Replacing about 25% of the water is recommended to be carried out weekly.
For Eichornia Azure you must have a strong lighting, Organized by 0.7 W / L fluorescent lamps. Light day should be more than 12 hours.
As the soil used a mixture of clay and sand. Very good response Eichornia Azure on the introduction of liquid and ground fertilizers, as well as very useful for plants additional supply of carbon dioxide.
This plant is grown in both spacious aquariums, so in the decorative pools and paludariums.
Breeding Eichornia azure occurs by dividing the stem or separating the lateral shoots of the plant.