Abstract
This paper describes and illustrates Heteropterys serrata, a new species endemic to semideciduous forests associated with inselbergs in the state of Espírito Santo, Brazil. Morphological and wood anatomical traits of the new species are compared to those of other species of the Heteropterys Metallophyllis informal group. Based on wood anatomy, H. serrata and H. nitida (the most morphologically similar species) have different axial parenchyma, which is scarce paratracheal in H. nitida (and some other species of the Metallophyllis informal group) and aliform confluent in H. serrata. The most notable morphological and anatomical characters that distinguish the new species are the young hexagonal stems, the unusual widely serrate leaf margins and the aliform confluent axial parenchyma in the wood.
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Acknowledgements
The authors thank the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) for awarding a Research Productivity Fellowship to AMA (Grant # 310717/2015-9), Ph.D Fellowship to LCM (Grant # 141561/2015-7) and for providing financial support for fieldwork (Universal Grant # 486079/2013-9 and PPBIO Grant # 457483/2012-1), and Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) for awarding a Ph.D. fellowship to MRP (Grant # 2012/01099-8) and a BIOTA project (Grant # 2013/10679-0). We also thank Dr. Rafaela C. Forzza (Jardim Botânico do Rio de Janeiro Research Institute), who was the first to point out that a specimen of Heteropterys serrata was an unusual Malpighiaceae and for kindly providing the loan from RB, Diana Carneiro for the drawings, Nathan Smith for the English revision and the Malpecos Lab staff for assistance with the herbarium collections (http://malpecos.wix.com/malpecoslab).
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Amorim, A.M., Marinho, L.C., Pessoa, C. et al. A new Heteropterys (Malpighiaceae) from semideciduous forest, with notes on wood anatomy. Plant Syst Evol 303, 177–185 (2017). https://doi.org/10.1007/s00606-016-1360-0
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DOI: https://doi.org/10.1007/s00606-016-1360-0