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Two different fine-leaved Rotalas entered the trade under the name Rotala wallichii "Long Leaf". Our plant resembles Rotala sp. "Nanjenshan" and probably does not belong to the species Rotala wallichii, therefore we label it as Rotala sp. "Long Leaf". It is probably from tropical Asia. In its submerged form, it differs from R. sp. "Nanjenshan" by darker, more reddish coloration and upright growth. The submerged leaves are linear, to 1 mm wide and ca. 1,5-2,3 cm long, slightly tapering towards the tip. They are arranged in whorls of 3 to 5. The upper side is light or medium green to yellowish or brownish, the underside is pink. The emersed plants have coarser, broader, light green leaves.
As well as Rotala wallichii, "Long Leaf" prefers rather soft water, good lighting, CO2 supply and regular, complete fertilization with macro and micro nutrients. Strong lighting provides the best reddish coloration of the foliage. Under good conditions, the growth is quite fast; as other stem plants, this Rotala is easily propagated by cuttings.
Rotala sp. "Long Leaf" looks most beautiful as a larger group in the midground to background of not too small aquariums. This plant adds a further nuance to the variety of texture and colour of the fine-leaved Rotalas.
|Synonyms||Rotala wallichii ''Long Leaf'', Rotala cf. occultiflora|
|Usage||Background, Midground, Street (Dutch style)|
|Height||20 - 60cm|
|Width||3 - 4cm|
|Can grow emersed?||yes|
|Rotala wallichii ''Long Leaf'', Rotala cf. occultiflora|
|Background, Midground, Street (Dutch style)|
|20 - 60cm|
|3 - 4cm|
|Can grow emersed?|