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Revision of the cerrado hemicryptophytic Chamaesyce of Boissier's “Pleiadeniae” (Euphorbiaceae)

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Abstract

The species ofChamaesyce classified by Boissier as the “Pleiadeniae” are revised in light of presently available collections. Six species are accepted and new combinations are proposed forC. nana, C. setosa, C. tamanduana, andC. viscoides. Although these herbaceous perennials of cerrado vegetation of Brazil, northern Argentina, and adjacent countries are distinctive ecologically and geographically, cladistic analysis does not support their recognition as a monophyletic group.

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Author notes

  1. Mark P. Simmons

    Present address: L. H. Bailey Hortorium, 462 Mann Library, Cornell University, 14853-4301, Ithaca, NY, U.S.A.

Authors and Affiliations

  1. Department of Biology, University of Richmond, 23173, Richmond, VA, U.S.A.

    Mark P. Simmons

  2. Department of Biology, University of Richmond, 23173, Richmond, VA, U.S.A.

    W. John Hayden

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  1. Mark P. Simmons
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  2. W. John Hayden
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Simmons, M.P., Hayden, W.J. Revision of the cerrado hemicryptophytic Chamaesyce of Boissier's “Pleiadeniae” (Euphorbiaceae). Brittonia 49, 155–180 (1997). https://doi.org/10.2307/2807678

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