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Type: Article
Published: 2021-07-06
Page range: 171–178
Abstract views: 50
PDF downloaded: 2

Pariana caxiuanensis (Parianinae, Poaceae): a new species of an enigmatic genus of herbaceous bamboos from the Brazilian Amazon

Programa de Pós-graduação em Ciências Biológicas – área de concentração Botânica Tropical, Universidade Federal da Amazônia e Museu Paraense Emílio Goeldi, Avenida Perimetral 1901, Terra Firme, Belém, Pará, 66077-830, Brazil.
Universidade Federal de Uberlândia, Instituto de Biologia, Programa de Pós-Graduação em Biologia Vegetal, Uberlândia, Minas Gerais, 38400-902, Brazil.
Museu Paraense Emílio Goeldi, Coordenação de Botânica, Avenida Magalhães Barata 376, Belém, Pará, 66040-170, Brazil.
Bambusoideae conservation Olyreae taxonomy Monocots

Abstract

Pariana caxiuanensis (Poaceae) is described and illustrated as a new species from the Brazilian Amazon. The new species is characterized by having the leaves clustered at the apex of the leafy culm, fimbriae few to absent, dimorphic flowering culms, large ligules (2.5–4 mm long), and pubescent to hirsute synflorescences. We present a morphological description, illustrations of the new species, the conservation status assessment, and a key to differentiate P. caxiuanensis from its morphologically related congeners.

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