Südwesten von Sri Lanka
Aponogeton rigidifolius has banded undulate submersed leaves that grow to a length of over 60 cm. It inhabits slow to fast flowing waters in the south-west of Sri Lanka. Other than most Aponogeton species it does not form a bulb but a long, thin, ramifying rhizome.
Its scientific name translates as stiff-leaved Aponogeton. It is described as demanding, light-loving plant that grows rather slowly. CO2 injection and a good water movement are recommendable for its cultivation.
- To be continued -
|Light||medium to high|
|Temperature tolerance||12 to 30 °C|
|Optimum temperature||23 to 28 °C|
|Carbonate hardness||2 to 12 °dKH|
|pH value||5.5 to 8|
|Carbon dioxide (CO2)||20 to 40 mg/l|
|Nitrate (NO3-)||10 to 50 mg/l|
|Phosphate (PO43-)||0.1 to 3 mg/l|
|Potassium (K+)||5 to 30 mg/l|
|Iron (Fe)||0.01 to 0.5 mg/l|
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