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Identity of Schizachyrium sulcatum and S. brevifolium (Poaceae: Andropogoneae)

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Abstract

Schizachyrium sulcatum, distributed in Brazil, Bolivia and Colombia, is described, illustrated, and reported for the first time from Peru and Venezuela. Synonymy, geographical distribution, ecology, and a list of representative specimens examined are provided. Characters of taxonomic value are established in order to differentiate this species fromS. brevifolium. A comparative study based on morphology, leaf anatomy, and micromorphological features of the spikelets and leaf blade are included. The multivariate analysis based on morphological variables allowsS. sulcatum to be distinguished clearly fromS. brevifolium.

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Authors and Affiliations

  1. Instituto de Botánica del Nordeste, Sargento Cabral 2131, C.C. 209. C.P. 3400, Corrientes, Argentina

    Myriam C. Peichoto, María M. Arbo & Viviana Solís Neffa

  2. Instituto de Botánica Darwinion, Labardén 200, C.C. B1642HYD, Buenos Aires, Argentina

    Zulma E. Rúgolo de Agrasar

Authors
  1. Myriam C. Peichoto
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  2. María M. Arbo
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  3. Zulma E. Rúgolo de Agrasar
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  4. Viviana Solís Neffa
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Correspondence to Myriam C. Peichoto.

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Peichoto, M.C., Arbo, M.M., Rúgolo de Agrasar, Z.E. et al. Identity of Schizachyrium sulcatum and S. brevifolium (Poaceae: Andropogoneae). Brittonia 59, 65–78 (2007). https://doi.org/10.1663/0007-196X(2007)59[65:IOSSAS]2.0.CO;2

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  • DOI: https://doi.org/10.1663/0007-196X(2007)59[65:IOSSAS]2.0.CO;2

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