njcz's Identifications

Inflorescense terminal, leaves hollow and septate-nodulose, seeds without caudate tips, flowers in dense spherical heads, radiating in all directions, capsules equalling sepals, perianth 5+mm long. 6 stamens. Sepals longer than petals (last image)

Habitat: swale between two small lakeshore dunes

Perennial grass that grows 2-4' tall with alternate leaves at the base. The leaf at the base is flat and is rolled inward halfway to the tip. The inner surface is a shade of light blue and the outside is green. The culm terminates into a spike/panicle.