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An undescribed and overlooked species of Sloanea (Elaeocarpaceae) from the Ecuadorian Amazon

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Abstract

A new and rare species collected in Amazonian Ecuador, Sloanea jaramilloi, is described, illustrated, and its morphological similarities with other species of Sloanea is discussed. It resembles S. geniculata but is distinguished by the absence of persistent, adaxially concave stipules in the young branchlets, 4–6 sepals not covering entirely the reproductive organs of the flower, entire leaves, and the large, rigid, stout bristles sparsely distributed on the fruits.

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Acknowledgements

We are greatly indebted to Carmen Ulloa-Ulloa who provided useful comments on earlier versions of the manuscript. Consuelo Hernández provided the distribution map of the new species inside the CTFS 25 ha plot in Yasuni National Park. We also thank to the staff of Herbario Nacional del Ecuador (QCNE) and the Herbario de la Pontífica Universidad Católica del Ecuador (QCA) for their kind support. We specially thank Katya Romoleroux, Curator of Herbario QCA, who facilitated access to all the specimens deposited in this herbarium and used in this work. This work was supported by the Garden Club of America Grant in Tropical Botany.

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Authors and Affiliations

  1. Department of Integrative Biology, University of California, Berkeley, CA, 94720-3140, USA

    Juan Ernesto Guevara Andino

  2. Instituto Nacional de Biodiversidad, Herbario Nacional del Ecuador QCNE, Quito, Ecuador

    Diana Fernández-Fernández

  3. Keller Science Action Center, The Field Museum, 1400 South Lake Shore Dr, Chicago, IL, 60605-2496, USA

    Nigel C. A. Pitman

Authors
  1. Juan Ernesto Guevara Andino
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  2. Diana Fernández-Fernández
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  3. Nigel C. A. Pitman
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Correspondence to Juan Ernesto Guevara Andino.

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Guevara Andino, J.E., Fernández-Fernández, D. & Pitman, N.C.A. An undescribed and overlooked species of Sloanea (Elaeocarpaceae) from the Ecuadorian Amazon. Brittonia 70, 221–226 (2018). https://doi.org/10.1007/s12228-017-9511-3

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  • DOI: https://doi.org/10.1007/s12228-017-9511-3

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