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Issue: Vol. 612 No. 2: 5 Sept. 2023
Type: Article
Published: 2023-09-05
DOI: 10.11646/phytotaxa.612.2.7
Page range: 229-236
Abstract views: 172
PDF downloaded: 15

Mendoncia amabilis (Acanthaceae), a remarkable new species from the Amazon basin

Universidade Federal Rural da Amazônia/Museu Paraense Emílio Goeldi; Programa de Pós-Graduação em Ciências Biológicas - Botânica Tropical; Avenida Perimetral 1901; Terra Firme; Belém; PA; 66077-830; Brazil
Herbário SP – Instituto de Pesquisas Ambientais; Av. Miguel Stéfano 3687; Água Funda; 04301-902; São Paulo; SP; Brazil
Instituto de Ciencias Naturales; Universidad Nacional de Colombia; Apartado 7495; Bogotá; Colombia
Universidade Federal Rural da Amazônia/Museu Paraense Emílio Goeldi; Programa de Pós-Graduação em Ciências Biológicas - Botânica Tropical; Avenida Perimetral 1901; Terra Firme; Belém; PA; 66077-830; Brazil. Universidade de Brasília; Programa de Pós-Graduação em Botânica; Instituto de Ciências Biológicas; Caixa Postal 04457; Brasília; DF; 70910-970; Brazil
Eudicots Thunbergioideae biological conservation taxonomy new taxon

Abstract

A new species, Mendoncia amabilis, is described from the Amazonia as part of an ongoing taxonomic revision of the genus for the Neotropical region. The new species was found from Colombian and Peruvian Amazonia, occurring at river margins below 100 m. It is easily recognized by its strigose petiole, leaf-blades sparsely strigose to glabrescent beneath, broad membranous bracteoles, hirsute calyx, and sericeous ovary. Taxonomic comments, illustrations and SEM images of vegetative and reproductive features, a distribution map, and a conservation assessment are provided.

 

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