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Article
Published: 2022-05-12

Triumfetta decaglandulata (Grewioideae, Malvaceae), a new species from the Cerrado-Amazon ecotone, Northern Brazil

Universidade Federal Rural da Amazônia/Museu Paraense Emílio Goeldi. Programa de Pós-Graduação em Ciências Biológicas – Botânica Tropical, Av. Perimetral 1901, Terra Firme, CEP 66077-830, Belém, PA, Brasil
Universidade Federal do Maranhão, Centro de Ciências de Grajaú, Av. Aurila Maria dos Santos Barros Sousa, 2010, Frei Alberto Beretta, 65940-000 - Grajaú, MA – Brasil
Museu Paraense Emílio Goeldi, Campus de Pesquisa, Coordenação de Botânica – COBOT. Av. Perimetral 1901, Terra Firme, CEP 66077-830, Belém, PA, Brasil
androgynophore Apeibeae glands taxonomy Eudicots

Abstract

Triumfetta decaglandulata is described and illustrated as a new species from Brazil. This species is mainly featured as having ten glands on the androgynophore, which is a unique trait among species belonging to genus Triumfetta, as well as lack of membranaceous urceolus and petals. Triumfetta decaglandulata was found in the transition zone between the Cerrado and Amazon biomes, in Northern Brazil, where it grew on the roadside of an anthropogenic pasture area. Taxonomic comments, geographic distribution, habitat, conservation status and an updated identification key of all Brazilian species belonging to genus Triumfetta are also provided.

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