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Torpedograss, Panicum repens

Perennial from extensive, sharply pointed underground runners.  Stems stiffly erect, up to 3 feet in height.  Leaf blades are folded or flat, hairy on the upper surface and smooth on the lower surface, 1/8 to 1/4 inch wide and 1 ½ to 12 ½ inches long.  Leaf sheaths can be smooth or hairy, usually with hairs only along the margin.  Seedheads are 3 ½ to 9 inches long with stiff, ascending to erect branches.  Seeds are smooth and attached singly on short stalks.  Propagation is by seed and by underground runners.  Torpedograss is usually found in moist to wet areas, and can grow in standing water.