from India, Sri Lanka and South China to Malaysia
Hygroryza aristata is a grass (family Poaceae) native to South-East Asia from South China to Malaysia. In the habitat, it forms dense floating populations in the water (as part of periodically or permanently flooded swards), but it also grows emersed on wet ground, in a creeping habit. In some of its native regions it is used as fodder.
The most striking feature of this grass plant are the relatively wide lanceolate leaf blades with their round bases and their water-repellent surface as well as the bulbous leaf sheaths that serve as buoys.
To be continued...
|Light||medium to high|
|Temperature tolerance||18 to 32 °C|
|Optimum temperature||25 to 28 °C|
|Carbonate hardness||0 to 14 °dKH|
|pH value||5 to 8|
|Carbon dioxide (CO2)||0 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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