Annual ryegrass leaves emerge rolled with auricles that wrap around the stem. Stems are round. (For seed head, see Ryegrass, Perennial.)
Shiny, dark green, short-lived, perennial bunchgrass with smooth leaves. Grows 2 to 4 feet tall in seed head stage. Underside of leaves is glossy. Forage types have broad, coarse leaves. Turf types are lower growing and have narrower, finer-bladed leaves that resemble bluegrass.