Cyperus fuligineus Chapm.

Herbs, perennial, cespitose, rhizomatous. Culms trigonous, 7–30 cm × 0.5–1 mm, glabrous. Leaves V-shaped to flat, 5–20 cm × 1–2.5 mm. Inflorescences: spike hemispheric, 7–20 mm wide; rays absent; rachis 1–3 mm; bracts 2–3, reflexed, flat, 5–12 cm × 1–2 mm; rachilla deciduous, wings 0.2 mm wide. Spikelets 30–50, compressed, oblong-lanceoloid, 4–10 × 1.7–2.3 mm; floral scales deciduous, 5–12, dark reddish brown, laterally 3–5-ribbed, ovate, 1.5–2.2 × 1–1.6 mm, apex with mucro 0.1–0.2 mm. Flowers: anthers 0.4–0.6 mm; styles 0.4–0.6 mm; stigmas 1–2 mm. Achenes black, sessile, narrowly ellipsoid, 1–1.2 × 0.5–0.6 mm, apex obtuse, apiculate, glabrous, puncticulate, or papillose.

Fla.; West Indies.

Fruiting spring–summer.

Coastal rocks, exposed limestone in hammocks and edges of mangrove swamps; 0–10m.

Cyperus fuligineus is a species of sedge that is native to southern parts of North America and parts of the Caribbean.

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

Cyperus fuligineus là loài thực vật có hoa trong họ Cói. Loài này được Chapm. mô tả khoa học đầu tiên năm 1860.