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

Myriam C. Peichoto; María M. Arbo; Zulma E. Rúgolo de Agrasar; Viviana Solís Neffa

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

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Myriam C. Peichoto,^1,2 María M. Arbo,¹ Zulma E. Rúgolo de Agrasar,³ Viviana Solís Neffa¹

¹Instituto de Botánica del Nordeste, Sargento Cabral 2131, C.C. 209. C.P. 3400, Corrientes. Argentina
²e-mail: mcpeichoto@agr.unne.edu.ar
³Instituto de Botánica Darwinion, Labardén 200, C.C. B1642HYD, Buenos Aires, Argentina

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 from S. 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 allows S. sulcatum to be distinguished clearly from S. brevifolium.

Citation Download Citation

Myriam C. Peichoto, María M. Arbo, Zulma E. Rúgolo de Agrasar, and Viviana Solís Neffa "Identity of Schizachyrium sulcatum and S. brevifolium (Poaceae: Andropogoneae)," Brittonia 59(1), 65-78, (1 January 2007). https://doi.org/10.1663/0007-196X(2007)59[65:IOSSAS]2.0.CO;2

Published: 1 January 2007