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28 November 2018 Two New Rupicolous Species of Chresta (Asteraceae, Vernonieae) from the Brazilian Caatinga
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Abstract

Two new rupicolous and endangered species from the Caatinga are described and illustrated. Chresta heteropappa is restricted to the brejos de altitude (montane forests) from Northeastern Ceará, growing on granite inselbergs. Chresta subverticillata occurs in Northern Bahia, inhabiting quartzitic outcrops on the Chapada Diamantina mountain range. Relationships of the two new taxa to other Chresta species are discussed, and a key for all species occurring in the Caatinga domain is presented, as well as maps and illustrations, including field pictures.

© Copyright 2018 by the American Society of Plant Taxonomists
Carolina M. Siniscalchi, Benoit Loeuille, and José Rubens Pirani "Two New Rupicolous Species of Chresta (Asteraceae, Vernonieae) from the Brazilian Caatinga," Systematic Botany 43(4), 1059-1071, (28 November 2018). https://doi.org/10.1600/036364418X697698
Published: 28 November 2018
JOURNAL ARTICLE
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