Abstract
Eriotheca gracilipes concept is re-circumscribed according to the shape and texture of the leaflets, diameter of the petiole, calyx color, seed striation and geographic distribution. In addition, a new species (Eriotheca uniflora) and a new combination (Eriotheca crenulata) are proposed here. Descriptions, identification key, taxonomic comments, geographic distribution, phenology and conservation status, images of diagnostic characteristics and a table with information about these features are provided for the three species.
Highlights
Bombacoideae occurs predominantly in the New World and comprises ca. 80 species in 12 genera in Brazil (Bayer & Kubitzki 2003; Duarte 2010; CarvalhoSobrinho et al 2016)
We propose the reestablishment of Bombax crenulatum, synonym of Eriotheca gracilipes for its combination in the genus Eriotheca
During a review of Bombacoideae from the Brazilian cerrado (Yoshikawa 2019), we realized that most of the collections identified as E. gracilipes have dark areas in the leaflets, but the populations from state of Mato Grosso have morphological differences between samples from the states of Minas Gerais and São Paulo
Summary
Bombacoideae occurs predominantly in the New World and comprises ca. 80 species in 12 genera in Brazil (Bayer & Kubitzki 2003; Duarte 2010; CarvalhoSobrinho et al 2016). 27 species, of which 20 (22 with this publication) are in Brazil and seven occur in cerrado vegetation (Robyns 1963; Carvalho-Sobrinho et al 2020; Duarte & Yoshikawa 2020). The genus is cited in many floristic surveys and taxonomic treatments for Brazil, including a major contribution by Robyns (1963) who segregated 17 species from Bombax s.l. and placed them in Eriotheca. Of these species, Schumann (1886) published 10 species in Bombax. The most recent taxonomic review of Eriotheca was performed by Duarte (2010), who included all Brazilian species known at the time She provided descriptions and highlighted the diverse morphology of Eriotheca gracilipes. Vania Nobuko Yoshikawa and Marília Cristina Duarte descriptions, morphological and geographic distribution comments, an identification key and plates for the three species
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