(Festuca sororia)
HABIT Perennial; caespitose. Rootstock evident. Culms 40-100 cm long. Lateral branches lacking. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 0.5 mm long. Leaf-blades flat; 20-40 cm long; 3-7 mm wide. Leaf-blade surface smooth; glabrous. Leaf-blade margins scabrous.