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New species of Myrcia sect. Aulomyrcia and notes on Myrcia pinifolia (Myrtaceae)

DUANE F. LIMA, LEIDIANA L. DOS SANTOS, RENATO GOLDENBERG, EVE J. LUCAS

Abstract


A new species of Myrcia sect. Aulomyrcia is presented along with taxonomic notes on M. pinifolia. Myrcia tetraloba is a new species found in campo rupestre and cerrado vegetation from the Chapada Diamantina, Bahia, Brazil. This species resembles Myrcia hirtiflora, but differs mainly in its 4-merous flowers and unreflexed calyx lobes (vs. 5-merous, strongly reflexed). Myrcia pinifolia is a very distinctive narrow-leaved species, widely misidentified in herbaria and recognised here as belonging to Myrcia sect. Aulomyrcia; a lectotype is here chosen and a new synonym is proposed for this species.


Keywords


Campo rupestre, Cerrado, Chapada Diamantina, Neotropics, taxonomy, Eudicots

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DOI: http://dx.doi.org/10.11646/phytotaxa.312.1.7

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

Published by Magnolia Press, Auckland, New Zealand