Luzula acuminata, hairy woodrush, is a species of perennial plant in Juncaceae family that grows in northeastern United States and Canada. It is 6–47 centimetres (2.4–18.5 in) tall with its basal leaves being of 6–39 centimetres (2.4–15.4 in) high and 2–11 millimetres (0.079–0.433 in) in diameter. It cauline leaves are 2.5–11.5 centimetres (0.98–4.53 in) tall and 2–5 millimetres (0.079–0.197 in) wide.