Hairy Woodrush

Rhizomes similar to stolons. Stolons to 6 cm, scale leaves present. Culms loosely cespitose, 10--40 cm x width3--5 mm. Leaves: sheaths reddish, throat pilose; blade sparsely pubescent; basal leaves 32 cm x 12 mm; cauline leaves 2--4, 2--4 cm x 2--5 mm. Inflorescences cymose, not rarely branching or often branching to 6 cm; proximal inflorescence bract 1/2--2/3 inflorescence length; bracts straw-colored, apex truncate, lacerate, glabrous or pubescent; bracteoles lance-ovate, 1/3--1/2 tepal length; pedicels single or paired, erect to spreading, 1--4 cm. Flowers: tepals pale to dark brown, 3--4.5 mm, margins entire, clear; anthers 2 times filament length; stigmas ± equaling style length. Capsules green to straw-colored, exceeding tepals; beak a mucro; valves widely spreading upon splitting. Seeds reddish to brown, 1--1.5 mm; caruncle curved, ± equaling length of seed body. 2n = 48.

Luzula acuminata, the hairy woodrush, is a species of perennial flowering plant in the rush family, Juncaceae, that is native to the Eastern 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 has cauline leaves are 2.5–11.5 centimetres (0.98–4.53 in) tall and 2–5 millimetres (0.079–0.197 in) wide.

Subspecies Luzula acuminata acuminata (Raf, 1840) Luzula acuminata carolinae (S.Watson, 2001)