Cyperus zollingeri Steud.
Steudel, E.G. von (1854) Synopsis Plantarum Glumacearum 2(7): 17. Type: Hrbr. Zollinger nr. 2689 Java.
Annual, stems up to 40 cm tall, trigonous to triquetrous with thin fibrous roots.
Inflorescence simple, loose, peduncle with a spike of spikelets, rays 1-3; involucral bracts erect to almost patent and greatly exceeding the inflorescence, rachilla broadly winged; spikelets pale brown, slightly compressed, linear, 16-60 mm, axis broadly winged; glume 8-nerved and with a green keel, 2.7-3.5 mm long.
Features not available.