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A new species of Rhynchospora section Pluriflorae (Cyperaceae) from the southwestern edge of the Brazilian Amazon

Karina de Nazaré Lima ALVES et al · Instituto Nacional de Pesquisas da Amazônia · 2023

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Author / responsible party
Karina de Nazaré Lima ALVES et al
Publisher
Instituto Nacional de Pesquisas da Amazônia
Year
2023
ISSN
0044-5967
ISSN
0044-5967
Language
English
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"Pinta" em população nativa do Estado do Amazonas

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ABSTRACT A new species of Rhynchospora (Cyperaceae) only known from the Parecis plateau, on the southwestern edge of the Brazilian Amazon, is described here. Rhynchospora parecisensis was found growing only in open environments of deciduous seasonal forest and savanna enclaves in the midst of seasonal evergreen forest, in the state of Mato Grosso, western Brazil. Rhynchospora parecisensis differs from the other species of Rhynchospora sect. Pluriflorae subsect. Subebracteatae by the distally puberulent to pubescent glumes. The new species resembles Rhynchospora acanthoma, but differs from it by the subtriangular to quadrangular scapes in cross-section and the distally puberulent to pubescent glumes, with ciliate to ciliolate margins. Taxonomic comments, illustrations and a distribution map are also provided.

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APA 7

al, K. D. N. L. A. E. (2023). A new species of Rhynchospora section Pluriflorae (Cyperaceae) from the southwestern edge of the Brazilian Amazon. https://doi.org/10.1590/1809-4392202301040

MLA

al, Karina de Nazaré Lima ALVES et. "A new species of Rhynchospora section Pluriflorae (Cyperaceae) from the southwestern edge of the Brazilian Amazon." 2023. https://doi.org/10.1590/1809-4392202301040.

Chicago

al, Karina de Nazaré Lima ALVES et. 2023. "A new species of Rhynchospora section Pluriflorae (Cyperaceae) from the southwestern edge of the Brazilian Amazon.". https://doi.org/10.1590/1809-4392202301040.

Harvard

al, K. D. N. L. A. E. 2023, A new species of Rhynchospora section Pluriflorae (Cyperaceae) from the southwestern edge of the Brazilian Amazon, Instituto Nacional de Pesquisas da Amazônia, available at: https://doi.org/10.1590/1809-4392202301040 [Accessed 5 Aug. 2026].

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Title
A new species of Rhynchospora section Pluriflorae (Cyperaceae) from the southwestern edge of the Brazilian Amazon
Author / contributors
Karina de Nazaré Lima ALVES et al
Publisher
Instituto Nacional de Pesquisas da Amazônia
Publication year
2023
ISSN
0044-5967
ISSN
0044-5967
Language
English

Subjects

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Brazilian flora; Cerrado; Cyperoideae; Parecis plateau; taxonomy
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