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Chamaecrista  petiolata (Leguminosae, Caesalpinioideae), new species from Diamantina Plateau, Minas Gerais, Brazil

MATHEUS MARTINS TEIXEIRA COTA, JULIANA GASTALDELLO RANDO, RENATO MELLO-SILVA

Abstract


During a floristic study of Chamaecrista in Diamantina plateau, Minas Gerais state, a new species was discovered. Chamaecrista petiolata is here described, illustrated, and compared to its putative closest relative species, C. catapodia and C. monticola. These species are shrubs, the stem-axis exceeding 1.5 m, and show sessile leaves, whereas C. petiolata is a subshrub up to 40 cm alt., with short petiolate leaves. The new species belongs to subsection Absus, which is characterized by glandular trichomes and lack of extrafloral nectaries. 


Keywords


campos rupestres, diversity, Espinhaço Range, Fabaceae, flora, Eudicots, Brazil

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DOI: http://dx.doi.org/10.11646/phytotaxa.267.1.7

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ISSN 1179-3155 (print); ISSN 1179-3163 (online)

Published by Magnolia Press, Auckland, New Zealand