Dune Sedge ( Cyperus capitatus )
The dune sedge is a perennial, herbaceous plant that reaches heights of 10 to 50 centimeters. The species forms long, creeping ground sprouts. The stems are single. The leaves that arise at their base are gray-green, runny and 1 to 6 millimeters wide. The inflorescence is head- shaped , terminal and 15 to 30 millimeters wide. The spikelets are four to twelve flowered. The husks are reddish brown and suddenly end in a 1 to 3 millimeter long tip. There are usually three bracts. These are widened at the base, curved downwards and up to 15 centimeters long.
The flowering period extends from April to July.
The number of chromosomes is 2n = 82.
- Peter Schönfelder , Ingrid Schönfelder: What is in bloom in the Mediterranean? Franckh'sche Verlagsbuchhandlung, 2nd edition, Stuttgart 1990, ISBN 3-440-05790-9 .
- Tropicos. 
- Rafaël Govaerts (ed.): Cyperus. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved October 25, 2016.