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28 June 2016 Zornia melanocarpa (Leguminosae, Papilionoideae, Dalbergieae), a New Species from Serra Do Espinhaço, Brazil, and Its Phylogenetic Position in the Genus
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Abstract

Zornia melanocarpa , a new species of Leguminosae (Papilionoideae, Dalbergieae) from Serra do Espinhaço, Minas Gerais, Brazil, is described and illustrated. The species is characterized by black fruits with white hairs and an absence of bristles, characters unique within the genus. The species is morphologically similar to Z. crinita and Z. hebecarpa, but differs from both by having a shorter inflorescence of 1.2–4 cm (vs. 10–20 and 8–20 cm in Z. crinita and Z. hebecarpa, respectively) and in the size of the plant (7–16 cm vs. 20–60 cm in Z. crinita and Z. hebecarpa), in addition to the black fruits with white hairs. A phylogenetic analysis using molecular data from the nuclear rDNA ITS gene region was performed to verify its position within the genus. Additionally, a survey of leaflet secretory structures and a micro-morphological analysis of fruit structures using scanning electron microscopy (SEM) was performed for the newly described species.

© Copyright 2016 by the American Society of Plant Taxonomists
Ana Paula Fortuna-Perez, Mohammad Vatanparast, Elisa S. Cândido, and Wanderleia de Vargas "Zornia melanocarpa (Leguminosae, Papilionoideae, Dalbergieae), a New Species from Serra Do Espinhaço, Brazil, and Its Phylogenetic Position in the Genus," Systematic Botany 41(2), 298-306, (28 June 2016). https://doi.org/10.1600/036364416X691867
Published: 28 June 2016
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