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A new arborescent species of Zamia from the Central Cordillera of Tolima, Colombia (Cycadales, Zamiaceae), with comments on the Z. poeppigiana species complex

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Abstract

Zamia tolimensis , a large arborescent species from the Central Cordillera of Tolima, Colombia, is described and illustrated. It is compared to Z. lindenii and Z. poeppigiana, the two most similar species. From these it is distinguished by leaflets with fewer teeth, sparse prickles on its petioles, beige-yellow ovulate strobili with shorter peduncles, and more microsporangia aggregated into a single group on the abaxial surface of the microsporophyll. Brief descriptions of Z. lindenii and Z. poeppigiana are also provided, as well as a key to separate the three species.

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Acknowledgments

The herbarium of Universidad del Tolima (TOLI) kindly provided the herbarium infrastructure for preparation and preservation of herbarium specimens. Edgar Gómez and Heriberto Díaz, local guides in the Municipio de Rioblanco, provided assistance with the fieldwork. Libby Besse, James Graham (The Field Museum, Chicago, Illinois), Chris Hardy (Millersville University), and Loran Whitelock provided photographs and/or information on Zamia poeppigiana from Peru and Ecuador and Douglas Daly (New York Botanical Garden) for plants in Brazil. Favio González (Universidad Nacional de Colombia) and Patrick Griffith (Montgomery Botanical Center) provided helpful comments on the manuscript. Montgomery Botanical Center provided funding for fieldwork in support of this study. Live plants of Zamia lindenii were studied at Montgomery Botanical Center, Fairchild Tropical Botanical Garden, Marie Selby Botanical Garden, and The New York Botanical Garden. Support to Dennis W. Stevenson was provided by NSF grants BSR 8607049, EF 0629817, and IOS 0421604.

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Authors and Affiliations

  1. Montgomery Botanical Center, 11901 Old Cutler Road, Miami, FL, 33156, U.S.A.

    Michael Calonje & Claudia Calonje

  2. Herbario TOLI, Grupo de Investigación en Biodiversidad y Dinámica de Ecosistemas Tropicales, Universidad del Tolima, Ibagué, Colombia

    Hector Eduardo Esquivel & Deicy Pava

  3. The New York Botanical Garden, Bronx, NY, 10458-5126, U.S.A.

    Dennis Stevenson

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  1. Michael Calonje
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  2. Hector Eduardo Esquivel
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  3. Dennis Stevenson
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  4. Claudia Calonje
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  5. Deicy Pava
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Correspondence to Michael Calonje.

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Calonje, M., Esquivel, H.E., Stevenson, D. et al. A new arborescent species of Zamia from the Central Cordillera of Tolima, Colombia (Cycadales, Zamiaceae), with comments on the Z. poeppigiana species complex. Brittonia 63, 442–451 (2011). https://doi.org/10.1007/s12228-011-9190-4

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  • DOI: https://doi.org/10.1007/s12228-011-9190-4

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