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Echinodorus osiris (rubra)

biology


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Echinodorus osiris (rubra)



Family

Alismataceae

Part of the world

South America

Country of origin

Brazil

Height

20-50 cm 24324d321y

Width

20-30 cm

Light requirements

average-high

Temperature

16-26oC

Hardness tolerance

soft-average

pH tolerance

acid-neutral

Easiness

easy

Echinodorus osiris (rubra) is one of the most ornamental sword plants. In the 1970s this plant was one of the most trendy - a real plant aquarists had to have a Echinodorus osiris in the aquarium. Although, a lot of new plants have emerged since then, it is still among the most popular aquarium plants.

The 3-4 youngest leaves are beautifully red-coloured. In addition, the young leaves are a very good indicator for especially the iron level of the aquarium. At iron deficiency, these leaves turn pale and translucent. Echinodorus osiris prefers a nutrient rich substrate, bright light - pH values above 7.5 restrict the growth significantly. It is a greedy plant, and the growth always benefits from fertilizer pills in the substrate. The plant is amphibious and the emergent leaves are egg-shaped compared to the more elliptic and undulating water leaves. Echinodorus osiris is triploide and no fertile seeds are produced. Therefore, the plant can only be propagated through adventitious plants on the inflorescence or from the rhizome. See also fish-proof plants from Tropica Aquarium Plants.


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