About Agrostis gigantea Roth
This species, Agrostis gigantea Roth, has dull green leaves that are rolled in the shoot, not hairy, and lack auricles. Its ligule is blunt, toothed, and reaches a maximum length of 6 millimetres (0.24 inches). The plant produces open, loose panicles that are either green or purplish in colour. It flowers from June to August, and grows from rhizomes.