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15 December 2015 Euphorbia sarcoceras, a New Species of Euphorbia sect. Alectoroctonum from Brazil
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Abstract

A new species of Euphorbia sect. Alectoroctonum from Brazil is described and illustrated. Euphorbia sarcoceras belongs to the “Dichlium” group, and is compared to Euphorbia estevesii, E. jablonskii, E. insulana, and E. sciadophila, the other species of E. sect. Alectoroctonum that also occur in Brazil. The new species occurs in seashore plains vegetation (“restingas”) in the states of Rio de Janeiro and Santa Catarina and is characterized by fleshy appendages of the cyathial glands. Problems concerning the application of the name Euphorbia laevigata are discussed, and a key to the species of E. sect. Alectoroctonum in Brazil is also presented.

© Copyright 2015 by the American Society of Plant Taxonomists
Otávio Luis Marques da Silva and Inês Cordeiro "Euphorbia sarcoceras, a New Species of Euphorbia sect. Alectoroctonum from Brazil," Systematic Botany 40(4), 962-967, (15 December 2015). https://doi.org/10.1600/036364415X690003
Published: 15 December 2015
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