''Cyperus nudiceps'' is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...
in the family
Cyperaceae
The Cyperaceae are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large, with some 5,500 known species described in about 90 genera, the largest being the "true sedges" genus ''Carex'' w ...
,
only found on
Cocos Island
Cocos Island ( es, Isla del Coco) is an island in the Pacific Ocean administered by Costa Rica, approximately southwest of the Costa Rican mainland. It constitutes the 11th of the 13 districts of Puntarenas Canton of the Province of Puntarenas ...
. It was first described as ''Kyllinga nudiceps'' in 1929 and transferred to ''
Cyperus
''Cyperus'' is a large genus of about 700 species of sedges, distributed throughout all continents in both tropical and temperate regions.
Description
They are annual or perennial plants, mostly aquatic and growing in still or slow-moving w ...
'' in 1944.
[
]
See also
*List of Cyperus species
The genus ''Cyperus'' contains the following species recognised by ''The Plant List'' in 2015. Other species have since been considered synonyms, been newly described, or seem to have been omitted from the website database at the time. See refere ...
References
nudiceps
Flora of the Central American Pacific Islands
Plants described in 1929
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