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FNA | Family List | FNA Vol. 23 | Cyperaceae | Fuirena

3. Fuirena breviseta (Coville) Coville, Bull. Torrey Bot. Club. 28: 466. 1901.

Fuirena squarrosa Michaux var. breviseta Coville, Bull. Torrey Bot. Club 17: 6, plate 98, fig. 6. 1890

Herbs perennial, cespitose, 20–50(–100) cm; rhizomes scaly; offshoots cormose. Culms tufted or close together, erect to leaning, smooth except in inflorescence. Leaves: proximal sheaths hispid-hirsute, median smooth, distal progressively shorter, smoother; principal blades toward midculm, linear to lance-linear, flat, 5–15 cm, smooth to sparsely strigose or puberulent, margins proximally or entirely spreading, hispid-ciliate. Inflorescences in clusters of terminal spikelets or from 1–2(–3) penultimate nodes, proximalmost involucral bract exceeding peduncle and cluster, distalmost shorter. Spikelets ovoid to cylindric, 10–15(–20 ) mm; fertile scales 3–3.5 mm; cusp excurved, length of scale; median ribs 3, strong. Flowers: perianth bristles incurved, mostly shorter than perianth stipe, mostly smooth; perianth blades short-oblong, ± equal to stipes, apex acute, strongly incurved, thickened distally, sometimes apiculate; anthers 3, 1–1.3 mm. Achenes: body trigonous, angles wirelike, faces lustrous brown or red-brown, 1 mm; beak linear, hispidulous at dilated tip. 2n = 46.

Fruiting summer–fall. Inner edges of brackish marsh, bogs, wet flatwoods and savannas, ditches; 0–200 m; Ala., Fla., Ga., La., Miss., N.C., S.C., Tex., Va.; West Indies (Cuba).


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