Carex luzulifolia W. Boott

Plants densely or loosely cespitose; rhizomes short, thick. Culms to 100 cm. Leaves: blades 5–20 mm wide. Inflorescences with 4–6 spikes; peduncles of proximal spikes exserted more than 1 cm; proximal bracts with blade (13–) 17–35(–55) mm, sheaths conspicuously expanded to mouth, 21–35(–42) mm, mouth with wide purple band, usually shallowly U-shaped, greater than 2 mm wide. Lateral spikes pistillate, purple to dark brown, pendent, (17–)19–30 × 6-9 mm. Terminal spike staminate, ± erect or, occasionally, pendent, 9–19 × 4.5–9 mm. Pistillate scales glossy dark purple with narrow hyaline margins,often gold adaxially, usually ovate, apex obtuse to long-tapered (rarely ciliate-awned), glabrous. Staminate scales dark reddish purple with pale midvein and narrow, scarious margins, ovate to elliptic, 3.2–4.1 × 1–2 mm, apex usually obtuse, occasionally short-awned. Anthers (1.8–)2.4–4 mm. Perigynia ascending, dark purple, veins indistinct, elliptic or ovate to broadly ovate, 4–5.3 × 1.7–2.5 mm, with flat margins more than 1/2 mature achene width, glabrous; beak 1–2 mm, apex dark purple to blackish, glabrous, distance from beak tip to achene apex greater than 2 mm. Achenes obovoid, 1.5–2.2 × 0.85–1.2 mm.

Calif., Idaho, Mont.

Fruiting summer.

Wet meadows; 2100–2800m.

Carex pseudojaponica C. B. Clarke

Carex luzulifolia adalah spesies tumbuhan seperti rumput yang tergolong ke dalam famili Cyperaceae. Spesies ini juga merupakan bagian dari ordo Poales. Spesies Carex luzulifolia sendiri merupakan bagian dari genus Carex. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh W.Boott.

Carex luzulifolia là một loài thực vật có hoa trong họ Cói. Loài này được W.Boott mô tả khoa học đầu tiên năm 1880.