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Dahlia spectabilis (Asteraceae, Coreopsideae), a new species from San Luis Potosí, Mexico

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Abstract

Dahlia spectabilis (Asteraceae, Coreopsideae), a new species from San Luis Potosí, Mexico, is described and illustrated. The plant is distinguished by its large habit, big flowering heads, and overall lack of trichomes. It occurs within the natural range for the genus and is known from only one location where it is under heavy grazing pressure.

Resumen

Dahlia spectabilis (Asteraceae, Coreopsideae), una especie nueva del estado de San Luis Potosí, México, es descrita e ilustrada. Se distingue por su hábito más grande, su grandes inflorescencias y la falta de tricomas. Ocuriendo dento del rango natural del género, conocida solo por un poblacón, la cual está sufriendo por presión de ganado.

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Literature Cited

  • Saar, D. E. &P. D. Sørensen. 2000.Dahlia parvibracteata (Asteraceae, Coreopsideae), a new species from Guerrero, Mexico. Novon 10: 407–410.

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Authors and Affiliations

  1. Department of Biological Sciences, Northern Illinois University, 60115-2861, DeKalb, Illinois, U.S.A.

    Dayle E. Saar & Paul D. Sørensen

  2. Botanic Garden, University of Copenhagen, Denmark

    J. P. Hjerting

Authors
  1. Dayle E. Saar
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  2. Paul D. Sørensen
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  3. J. P. Hjerting
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Saar, D.E., Sørensen, P.D. & Hjerting, J.P. Dahlia spectabilis (Asteraceae, Coreopsideae), a new species from San Luis Potosí, Mexico. Brittonia 54, 116–119 (2002). https://doi.org/10.1663/0007-196X(2002)054[0116:DSACAN]2.0.CO;2

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  • DOI: https://doi.org/10.1663/0007-196X(2002)054[0116:DSACAN]2.0.CO;2

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