Cyperus hyalinus Vahl
Vahl, M.H. (1805) Enumeratio Plantarum 2: 329. Type: Habitat in India orientali. Rottler.
Annual with fibrous roots; stems triquetrous, smooth, 3-20 cm tall.
Leaves weak, flat, scabrid along the margins in the upper part, 1-3.5 mm wide.
Inflorescence simple; involucral bracts 3-6, longer one much longer than the inflorescence, up to 20 cm long; rays 3-6, with 5-20 spikelets; spikes loose to rather dense, 8-12 x 8-10 mm,; rachis 4-winged. Spikelets ovate to oblong and strongly compressed, 4-7 -flowered, 4-8 x 2-3 mm, rachilla strongly flexuose and strongly winged. Glumes membranous, broadly ovate to ovate with the keel green, scabrous and strongly 3-nerved, with 3 prominent nerves on either side of keel. Style 2-fid.
Features not available.
Queenslandiella hyalina (Vahl) F.Ballard, Icones Plantarum [Hooker's] Edn. Ser. 5 33: t. 3208 (1935).