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A new species of Eupatorium (Asteraceae) from the Philippines

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Abstract

Eupatorium leonardii, presently known only from Mt. Mingan in the border region between Aurora and Nueva Ecija Provinces in Luzon, Philippines, is described and illustrated. The new species is remarkable because it is the only woody representative of the genus with a peculiar spiral phyllotaxy. Previously, Eupatorium s. str. consisted of herbs with opposite or verticillate phyllotaxy.

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Acknowledgments

We are grateful to Conservation International Philippines for funding the 2006 expedition to the Sierra Madre, with special thanks to Mariano Roy Duya and Grace Rosell-Ambal; Victor Dacumos of the Nueva Ecija University of Science and Technology, for hospitality; the DENR Regional Office for granting Gratuitous & Transport Permits, with special thanks to Nestor Bartolome and Frank Dalin; Harold Robinson and Vicki Funk for discussions on the generic placement of this new species; Bobbi Angell for the excellent illustration; Carol Gracie for digitally formatting Figure 2; Scott Mori for discussion on the trichomes of E. leonardii; and Edward Schilling and Harold Robinson for their reviews the manuscript.

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Authors and Affiliations

  1. The New York Botanical Garden, Bronx, NY, 10458-5126, USA

    Eric E. Lamont

  2. Herbarium, Institute of Biology, University of the Philippines, Diliman, 1101, Philippines

    Ulysses F. Ferreras

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  1. Eric E. Lamont
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  2. Ulysses F. Ferreras
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Correspondence to Eric E. Lamont.

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Lamont, E.E., Ferreras, U.F. A new species of Eupatorium (Asteraceae) from the Philippines. Brittonia 64, 368–373 (2012). https://doi.org/10.1007/s12228-012-9249-x

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