Stipa tirsa is a species of perennial grass native to Europe and temperate Asia. Culms are 40–100 cm long; leaf blades are filiform, involute, and 1–2 mm wide.
Stipa tirsa is a species of perennial grass native to Europe and temperate Asia. Culms are 40–100 cm long; leaf blades are filiform, involute, and 1–2 mm wide.