Festuca chrysophylla is perennial and caespitose. Its culms are erect, and can grow up from 30 to 65cm long. It is lacking of lateralbranches. The leaf sheaths are glabrous on the surface. It's ligules is a ciliolate membrane, growing up from 0.3 to 0.5 mm long, and are bilobed. The leaf blades are filiform, conduplicate and can grow up from 7–40 cm long and 0.7–1 mm wide.