Cyperus spectabilis Link

Herbs, perennial, rhizomatous. Culms trigonous, (12–)30–80(–90) cm × 0.7–1.7 mm, glabrous or nearly so. Leaves flat to V-shaped, 20–45 cm × 2–4 mm, margins and keel minutely scabridulous. Inflorescences: spike 1, loosely ovoid to ovoid-ellipsoid, (1.5–)2.5–7 × (1–)1.5–3.5 cm; rays 1–4, 1–15 cm; rachis 1–2 cm; bracts 2–4, oblique or ascending, 1–15(–24) cm × 0.4–3.5 mm, keel, margins scabrid; rachilla ± deciduous, wingless. Spikelets (3–)8–40, linear, compressed-quadrangular, 8–18 × (2.4–)2.8–4 mm; floral scales deciduous, (2–)4–12, laterally light brown to reddish brown, medially green or light brown, laterally 2–3-ribbed, oblong-ovate, 1.6–2.6 × (1.5–)1.6–2.2(–2.4) mm, apex obtuse, sometimes mucronulate, medially glabrous. Flowers: anthers 0.4–0.6 mm; styles 0.3–0.6 mm; stigmas 0.6–1 mm. Achenes brownish, stipitate, ellipsoid, 1.6–2 × (0.7–)0.9–1 mm, stipe whitish, 0.1–0.2 mm, apex obtuse, slightly apiculate, surfaces papillose.

Ariz., Tex.; Mexico.

Fruiting summer.

Arroyos, riverbanks, clearings in montane forests; 100–1300m.

Cyperus buckleyi Britton ex J. M. Coulter; C. parryi Britton ex C. B. Clarke; C. scaberrimus Nees; C. spectabilis var. filiformis Boeckeler; C. spectabilis var. parryi (C. B. Clarke) Kükenthal; C. spectabilis var. scaberrimus (Nees) Boeckeler

Cyperus spectabilis adalah spesies tumbuhan yang tergolong ke dalam famili Cyperaceae. Spesies ini juga merupakan bagian dari ordo Poales. Spesies Cyperus spectabilis sendiri merupakan bagian dari genus Cyperus. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh Link.

Cyperus spectabilis là loài thực vật có hoa trong họ Cói. Loài này được Link mô tả khoa học đầu tiên năm 1827.