Cyperus sulcinux C.B.Clarke
Clarke, C.B. (1884) Journal of the Linnean Society, Botany 21: 56.
Annual with fibrous yellowish roots. Stems tufted, triquetrous above, 5-30 cm long.
Leaves rigid, flat to caniculate, scabrid at the top, 1-2 mm wide; lower sheaths purplish, ligules well-developed.
Inflorescencesimple, loose; involucral bracts 3-4, lower ones overtopping the inflorescence. Rays 3-6, slender, up to 7 cm long. Spikes broadly ovoid with 5-10 spikelets, spikelets widely spreading with the lower ca. reflexed, lanceolate to linear, strongly compressed, 10-50 -flowered, rachilla narrowly winged. Glumes membranous, sharply keeled, obtuse, keel fuscous, 3-nerved, sides reddish brown with hyaline margins.
Features not available.