This perennial grass spreads via its large, branching rhizomes, which are thick and pointed.
he pointed shape of the rhizome tip gives the plant the name torpedograss. The rhizomes creep along the ground or float in water, forming floating mats. They can reach a length of 6 m (20 ft) and a soil depth of 7 m (23 ft), and they can form a mat 15 cm (5.9 in) thick. The spreading rhizomes sprout repeatedly to form colonies of stems
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