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Cyperaceae Juss. nos campos de natureza de Cametá, Pará, Amazônia, Brasil

2021; Fundación Zoobotánica de Rio Grande do Sul; Volume: 76; Linguagem: Inglês

10.21826/2446-82312021v76e2021005

2446-8231

Caio Lima Braga da Silva, Clebiana de Sá Nunes, Layla Jamylle Costa Schneider, Juliene De Fátima Maciel-Silva, Karina de Nazaré Lima Alves, Maíra Luciana Guimarães Conde, Aluísio José Fernandes-Júnior, André dos Santos Bragança Gil,

Ecology and Vegetation Dynamics Studies

Cyperaceae in the campos de natureza of Cametá, Pará, Amazon, Brazil. This study presents a taxonomic treatment of genera and species of Cyperaceae Juss. in the campos de natureza of Cameta, Pará, Amazon, Brazil. After intense field expeditions and studies of herbarium collections, 11 genera and 51 species of Cyperaceae were identified for the area: Rhynchospora Vahl (17 species), Scleria P. J. Bergius (9), Cyperus L. (7), Eleocharis R. Br. (4), Bulbostylis Kunth (3), Lagenocarpus Nees (3), Fimbristylis Vahl (3), Calyptrocarya Nees (2), Diplacrum R. Br. (1), Fuirena Rottb. (1) and Hypolytrum Rich (1). Four species are recorded in the state of Pará for the first time: Eleocharis angustispicula R. Trevis., Eleocharis jelskiana Boeck., Rhynchospora curvula Griseb., and Scleria amazonica Camelb., M. T. Strong & Goetgh. A taxonomic identification key, morphological descriptions, taxonomic comments, geographic distribution, habitat data and illustrations for all species nutlets are provided.