Cyperus surinamensis Rottb.

First published in Descr. Icon. Rar. Pl.: 35 (1773)
This species is accepted
The native range of this species is Tropical & Subtropical America. It is an annual or perennial and grows primarily in the seasonally dry tropical biome.


Biogeografic region: Amazonia, Andean, Guiana Shield, Caribbean, Orinoquia, Pacific. Elevation range: 0–1500 m a.s.l. Native to Colombia. Colombian departments: Amazonas, Antioquia, Arauca, Atlántico, Cauca, Cesar, Chocó, Cundinamarca, Guainía, Huila, La Guajira, Magdalena, Meta, Santander, Valle del Cauca.
National Red List of Colombia (2021): Potential LC.

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E.

Predicted extinction risk: not threatened. Confidence: confident

Bernal, R., G. Galeano, A. Rodríguez, H. Sarmiento y M. Gutiérrez. 2017. Nombres Comunes de las Plantas de Colombia.


Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá.

Nativa en Colombia; Alt. 0 - 1500 m.; Amazonia, Andes, Guayana y Serranía de La Macarena, Llanura del Caribe, Orinoquia, Pacífico, Valle del Cauca, Valle del Magdalena.
Morphology General Habit
Preocupación Menor

George R. Proctor (2012). Flora of the Cayman Isands (Second Edition). Royal Botanic Gardens, Kew

Vegetative Multiplication Rhizomes
Rhizome short with rather short roots. Culms tufted, 30–60 cm tall, triquetrous, retrorsely scabrid on angles except at base, light green
Morphology Leaves
Leaves shorter than or nearly equal in length to the culm, narrowly linear, 2–4 mm wide, flattish, herbaceous, gradually narrowed to a long acute apex
Morphology Reproductive morphology Inflorescences
Inflorescence compound, 5–11 cm long, 4–10 cm wide; leafy bracts 4–7, mostly exceeding the inflorescence; corymb-rays 6–15, very unequal, up to 7 cm long; secondary corymbs bearing 3–9 heads
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets lance-oblong to ovate, acute, 3–6 mm long, flattened, 10–24-flowered, light yellow-green; rhachilla not winged; glumes 1.2–1.4 mm long, incurved, thinly membranous, minutely reticulate
Morphology Reproductive morphology Fruits
Achenes oblong, trigonous, 0.5–0.6 mm long, densely punctulate, maturing black.
Grand Cayman. Widely distributed in the Western Hemisphere from southern United States to Argentina.


  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
  • Catálogo de Plantas y Líquenes de Colombia

  • Flora of the Cayman Islands

    • Flora of the Cayman Islands
  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at and
    • © Copyright 2023 World Checklist of Vascular Plants.
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at and
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants.
  • Universidad Nacional de Colombia

    • ColPlantA database
  • Useful Plants and Fungi of Colombia