All Floras      Advanced Search
FNA Vol. 23 Page 141, 164 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 23 | Cyperaceae | Cyperus

15d. CYPERUS Linnaeus subg. CYPERUS

Chlorocyperus Rikli; Cyperus subg. Mariscus (Vahl) C. B. Clarke; Papyrus Willdenow

Culms and leaves with Kranz (chlorocyperoid) anatomy. Inflorescences: spikes loose to dense, ovoid to cylindric; rachilla falling early or persistent, wingless or winged. Spikelets: if rachilla articulate at base, spikelets borne in spikes on conspicuous rachis, falling as achenes mature, if rachilla continuous at base, persistent after achenes mature; floral scales persistent or deciduous; stamens 3 (1, less frequently 2 in C. squarrosus and C. granitophilus). Flowers: stigmas 3. Achenes trigonous, sometimes dorsiventrally flattened.

Species ca. 350–400 (59 in the flora): temperate and tropical regions.


Carter, J. R. and S. D. Jones. 1997. Notes on the Cyperus retroflexus complex (Cyperaceae) with three nomenclatural proposals. Rhodora 99: 319–334.

  • List of lower taxa


  •  |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |