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Issue: Vol. 365 No. 3: 23 August 2018
Type: Article
Published: 2018-08-23
DOI: 10.11646/phytotaxa.365.3.4
Page range: 259–272
Abstract views: 25
PDF downloaded: 1

Croton aemulus and C. graomogolensis (Euphorbiaceae): Two new species from Minas Gerais, Brazil, based on distinct lines of evidence and their relation to C. muscicapa and C. longibracteatus

Universidade Estadual de Feira de Santana, Departamento de Ciências Biológicas, Avenida Transnordestina, s/n, Novo Horizonte, 44036-900, Feira de Santana, Bahia, Brazil
Universidade Estadual de Feira de Santana, Departamento de Ciências Biológicas, Avenida Transnordestina, s/n, Novo Horizonte, 44036-900, Feira de Santana, Bahia, Brazil
Universidade Estadual de Feira de Santana, Departamento de Ciências Biológicas, Avenida Transnordestina, s/n, Novo Horizonte, 44036-900, Feira de Santana, Bahia, Brazil
Universidade Estadual de Feira de Santana, Departamento de Ciências Biológicas, Avenida Transnordestina, s/n, Novo Horizonte, 44036-900, Feira de Santana, Bahia, Brazil
Universidade Federal do Recôncavo da Bahia, Centro de Ciências Agrárias, Ambientais e Biológicas, Laboratório de Anatomia e Histoquímica Vegetal, Rua Rui Barbosa, 710, Centro, 44380-000, Cruz das Almas, Bahia, Brazil
Universidade Estadual de Feira de Santana, Departamento de Ciências Biológicas, Avenida Transnordestina, s/n, Novo Horizonte, 44036-900, Feira de Santana, Bahia, Brazil
Eudicots Campo rupestre cerrado de altitude Crotonoideae Espinhaço Range

Abstract

Croton (Euphorbiaceae) includes more than 1,300 accepted species and new species of the genus are continuously being described, which are mainly from Brazil. Two new species, Croton aemulus and C. graomogolensis, are herein described, placed in C. sect. Barhamia subsect. Barhamia, and compared to C. muscicapa and C. longibracteatus. The new species are supported by their geographic distributions, ecology, and anatomical and morphological features. Both species are only known from the state of Minas Gerais, Brazil. Croton aemulus occurs in cerrado de altitude (mountain savannah) and C. graomogolensis occurs in campo rupestre (rupestrian grasslands) vegetation.