Two New Species of Eriocaulon from the Tocantins-Araguaia River Basin, Brazil

Adriana Luiza Ribeiro de Oliveira; Claudia Petean Bove

doi:10.1600/036364411X583592

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Adriana Luiza Ribeiro de Oliveira,^1,* Claudia Petean Bove¹

¹1Programa de Pos Graduação em Ciências Biológicas — Botânica, Departamento de Botânica do Museu Naci

^*Author for correspondence (ribeirosenna1@gmail.com)

Abstract

Two new species, Eriocaulon cylindratum and Eriocaulon araguaiense, from the Tocantins-Araguaia River basin in the Brazilian Cerrado, are described and illustrated. The species are similar, but they differ mainly in both the shape of the capitula and the floral bracts. Eriocaulon araguaiense has hemispheric heads, and obovate, concave floral bracts. Eriocaulon cylindratum is characterized by ovoid or cylindrical heads, and obtrullate, carinate floral bracts. A key to all known Eriocaulon species from Tocantins-Araguaia river basin is presented.

Citation Download Citation

Adriana Luiza Ribeiro de Oliveira and Claudia Petean Bove "Two New Species of Eriocaulon from the Tocantins-Araguaia River Basin, Brazil," Systematic Botany 36(3), 605-609, (1 July 2011). https://doi.org/10.1600/036364411X583592

Published: 1 July 2011

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