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Grass Family (Poaceae). Sand cordgrass is a warm season, robust bunch grass, native to the U.S. The height ranges from 3 to 5 feet. Leaf blade is flat and rolls inward when drying; 1/4 inch wide; upper surface is dark green, lower light green and coarse ridges on upper surface. Leaf sheath is rounded. Seedhead has 5 to 12 spikes, each 1 1/4 to 2 1/2 inches long, lying close to stem; spikelets grow on one side of rachis and seedhead 2 to 8 inches long.
This grass increases on ranges that are grazed continuously.
Makes its major growth during spring. Seeds form during late May and June in most ranges, later in the northern parts. Vegetative growth continues until fall. Some basal leaves remain green during winter in south Florida. Mature plants often form bunches 18 to 20 inches in diameter. Adapted to margins of sand ponds and fresh marshes throughout range. During growing season, tolerates periodic flooding. Will not grow on saline soils.