New species of Sloanea (Elaeocarpaceae) from the Brazilian Cerrado

Abstract

Sloanea petalata D. Sampaio & V.C. Souza is an endemic species known only from Mogi-Guaçu municipality, in the Cerrado of São Paulo state, Brazil. This new species shares some features with Sloanea garckeana K. Schum., differing mainly in the presence of petals, an uncommon characteristic among Neotropical species of this genus. Description of Sloanea petalata, as well as illustration, diagnosis, and comments on distribution are provided in this paper.

A Synopsis of Sloanea (Elaeocarpaceae) in the Neotropical extra-Amazonian Region

“…Of these, six were described as new by Sampaio & Souza (2010;2011a;2011b). Information concerning nomenclatural, relationships among taxa and geographical distribution was provided by Sampaio & Souza (2014).…”

“…Sloanea, the largest genus of the family Elaeocarpaceae, contains about 150 species distributed in Australia, Asia, Madagascar, South America, Central America and Mexico (Steyermark 1952;1978;1988;Smith 1954;1965;1967;1996;Coode 1983;Palacios-Duque 2004;2005;2007;Palacios-Duque & Fernándes-Alonso 2005;Sampaio & Souza 2010;2011a;b;Boeira et al 2012). In Brazil, the genus can be found throughout the country but particularly in more humid and preserved forest formations.…”

Flora das cangas da Serra dos Carajás, Pará, Brasil: Elaeocarpaceae

“…Sloanea pode ser encontrada desde o México ao sul do Brasil e norte da Argentina (Crayn et al 2006;Pennington 2016). Os principais tratados taxonômicos de espécies brasileiras de Sloanea foram realizados por Schumann (1886), Smith (1954), Castañeda (1981), Vicentini (1999), Sampaio & Souza (2010, 2014, 2016, Boeira et al (2012) e BFG (2015.…”

“…Esta espécie era considerada endêmica da Amazônia Brasileira (Smith 1954;Sampaio 2010) até ter seu primeiro registro para a Bolívia (Palacios-Duque et al 2011). Atualmente ocorre no Peru, Bolívia e no Brasil (Pennington 2016).…”

Typification of some Species of Sloanea (Elaeocarpaceae)

“…That led the author to establish many names as valid species. After the work of Smith (1954), several new species of Sloanea were described for the neotropical region (Steyermark 1978, 1988, Smith 1962, 1967, 1996, Palacios-Duque 2004, 2005a, 2005b, 2007, Boeira et al 2012, Sampaio & Souza 2010, 2011a, 2011b). However we have observed a lack of clarity in the nomenclatural issues.…”