Abstract
Taxonomic revision of South American species ofGrindelia Willd. has revealed two new species from Uruguay:G. rupestris, an erect subshurb with crowded obovate denticulate leaves, subsessile heads, and pappus composed of numerous awns, andG. linearifolia, a prostrate shrublet with small entire linear leaves. Both species are described and illustrated. A key for the UruguayanGrindelia species is provided.
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Bartoli, A., R. Tortosa & G. H. Rua. In press. Una nueva especie deGrindelia (Asteraceae) de Uruguay. Hickenia.
Cabrera, A. L. 1931. Revisíon de las especies sudamericanas del géneroGrindelia. Revista Mus. La Plata, Secc. Bot. 33: 207–249.
Steyermark, J. A. 1934. A monograph of the North American species of genusGrindelia. Ann. Missouri Bot. Gard. 21: 433–608.
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Bartoli, A., Tortosa, R.D. & Marchesi, E. Two new species of Grindelia (Astereae, Asteraceae) from Uruguay. Brittonia 48, 75–78 (1996). https://doi.org/10.2307/2807666
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DOI: https://doi.org/10.2307/2807666