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| Sagittaria subulata is common and widespread in South and North America. It is a modest plant and therefore a good starter plant, though it prefers a relatively fine substrate. The narrow leaves it placed in a rosette and tubers are sometime set on the offshoots. Placed in the foreground it soon develops a dense cover from offshoots. For years Sagittaria subulata maintains its low growth form but dependent on for example age, light intensity and populationdensity it suddenly stretches up to a height of 50 cm andsets flowers. Such plants are often mistaken for Vallisneria. Replanted in the background of the aquarium Sagittaria subulata often turns back into the low growth form. |