Erythrina L. (Phaseoleae, Papilionoideae, Leguminosae) of Brazil: an updated nomenclatural treatment with notes on etymology and vernacular names Author Guedes-Oliveira, Ramon https://orcid.org/0000-0001-8122-0782 Programa de Pos-graduacao em Botanica, Escola Nacional de Botanica Tropical (ENBT), Instituto de Pesquisas Jardim Botanico do Rio de Janeiro (JBRJ), 22460 - 036, Horto, Rio de Janeiro, State of Rio de Janeiro, Brazil guedesoliveira.ramon@gmail.com Author Fortuna-Perez, Ana Paula https://orcid.org/0000-0003-4977-4341 Departamento de Biodiversidade e Bioestatistica, Instituto de Biociencias de Botucatu, (IBB), Universidade Estadual Paulista (UNESP), 18618 - 970, Botucatu, State of Sao Paulo, Brazil Author Pederneiras, Leandro Cardoso https://orcid.org/0000-0003-1822-227X Diretoria de Pesquisas (Dipeq), Instituto de Pesquisas Jardim Botanico do Rio de Janeiro (JBRJ), 22460 - 030, Jardim Botanico, Rio de Janeiro, State of Rio de Janeiro, Brazil Author Mansano, Vidal de Freitas https://orcid.org/0000-0002-7204-0744 Diretoria de Pesquisas (Dipeq), Instituto de Pesquisas Jardim Botanico do Rio de Janeiro (JBRJ), 22460 - 030, Jardim Botanico, Rio de Janeiro, State of Rio de Janeiro, Brazil text PhytoKeys 2023 2023-09-04 232 1 43 http://dx.doi.org/10.3897/phytokeys.232.101105 journal article http://dx.doi.org/10.3897/phytokeys.232.101105 1314-2003-232-1 0697532AFBEF501390E1C54FC5534BAF 1. Erythrina amazonica Krukoff, Brittonia 3: 270. 1938. Fig. 1 Type material. Brazil. Amazonas : Basin of Rio Jurua; Near mouth of Rio Embira (tributary of Rio Tarauaca), 8 June 1933, Krukoff 4707 (holotype: NY [NY00007986, sheet I; NY00007987, sheet II]; isotypes: A [A00066284], G [G00365285, two sheets], K [K000502766, K000502767]). Notes. There are no nomenclature issues with E. amazonica , as the name was validly published and its type specimen was correctly cited (Fig. 1 ). However, all databases and studies of the genus state that the protologue was published in 1939. Still, according to the journal's website, the publication date is October 1938. Figure 1. Holotype of Erythrina amazonica Krukoff (1938 : 270). Source: William and Lynda Steere Herbarium (NY) - The New York Botanical Garden via C. V. Starr Virtual Herbarium, NY00007986, NY00007987. Etymology. The specific epithet " Erythrina amazonica " is derived from Latin, meaning "from the Amazon", and it was chosen due to the species being native to the Amazon Forest domain. Vernacular names. According to herbaria labels, E. amazonica is generally known as "mulungu" in Brazil, and also "acacurana" (and spelling variations) or "mulungu-de-espinho" in the state of Maranhao , and "acacurana" (and spelling variations) or "tento" in Para .