A revision and morphological analysis of the Uruguayan species of <i>Stevia</i> (Compositae, Eupatorieae)

Rodríguez-Cravero, Juan Facundo; Gutiérrez, Diego Germán; Katinas, Liliana; Grossi, Mariana Andrea; Bonifacino, José Mauricio; Marchesi, Eduardo

doi:10.1590/2175-7860201970078

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Original Paper • Rodriguésia 70 • 2019 • https://doi.org/10.1590/2175-7860201970078 copy

A revision and morphological analysis of the Uruguayan species of Stevia (Compositae, Eupatorieae)

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

A revision and a morphological analysis of the Uruguayan species of Stevia (Compositae, Eupatorieae) were performed. Leaf, inflorescence, pubescence and pappus traits were identified as key to separate species. Stevia entreriensis, S. entreriensis var. minor, and Dissothrix hassleriana were considered synonyms of S. hirsuta, and S. ophryodonta and S. oxylaena synonyms of S. veronicae. Lectotypes for the names Stevia cinerascens, S. megapotamica, S. linariifolia, S. selloi, S. selloi var. yparacayensis, S. oxylaena and S. veronicae were designated. Stevia burkartii was excluded from the Uruguayan flora. As a result, 10 Uruguayan species are considered: S. aristata, S. cinerascens, S. congesta, S. gratioloides, S. hirsuta, S. multiaristata, S. sabulonis, S. satureiifolia, S. selloi, and S. veronicae. A key to the Uruguayan species, descriptions, photographs and distribution maps are provided.

Key words:
Asteraceae; South America; taxonomy; Uruguay

Species/Checklists, taxonomic, and floristic treatments in Uruguay	Baker, 1876Baker JG (1876) Compositae. II. Eupatoriaceae. In: Martius CFP & Eichler AG (eds.) Flora brasiliensis. Vol. 6. Fleischer, Monachii, Lipsiae. Pp. 181-376.	Arechavaleta, 1906Arechavaleta J (1906) Flora Uruguaya. Anales del Museo Nacional de Montevideo 6: 447-452.	Herter, 1930Herter WG (1930) Estudios botánicos en la región uruguaya. IV. Florula Uruguayensis, plantae vasculars. Sumptibus rei publicae, Montevideo. 191p., 1937Herter WG (1937) Additamenta ad floram uruguayensem. Pars III. Con una lámina. Revista Sudamericana de Bot 4: 200.	King and Robinson, 1987King RM & Robinson H (1987) The genera of the Eupatorieae (Asteraceae). Monographs in Systematic Botany 22: 1-581.	Freire, 2008Freire SE (2008) Stevia. In: Zuloaga FO, Morrone O & Belgrano MJ (eds.) Catálogo de las plantas vasculares del Cono Sur (Argentina, Sur de Brasil, Chile, Paraguay y Uruguay). Monographs in Systematic Botany 107: 1509-1517.; *Rodríguez-Cravero et al. 2017*Rodríguez-Cravero JF, Gutiérrez DG & Katinas L (2017) Lectotypifications in Uruguayan Stevia (Asteraceae, Eupatorieae). Phytotaxa 291: 116-122.	This work
S. aristata	*	-	-	*	*	*
S. burkartii	-	-	-	-	*	Excluded from Uruguay
S. cinerascens	*	-	-	-	*	*
S. congesta	var. of S. satureiifolia	var. of S. satureiifolia	-	-	*	*
S. entreriensis	-	*	*	*	*	Syn. of S. hirsuta
S. gratioloides	var. of S. veronicae	-	-	-	*	*
S. hirsuta	var. of S. satureiifolia	var. of S. satureiifolia	-	-	Syn. of S. multiaristata	* reinstated
S. laxa	var. of S. satureiifolia	var. of S. satureiifolia	*	-	Syn. of S. multiaristata	Syn. of S. multiaristata
S. multiaristata	var. of S. satureiifolia	var. of S. satureiifolia	-	*	*	*
S. ophryodonta	-	-	-	*	*	Syn. of S. veronicae
S. oxylaena	*	*	*	-	-	Syn. ofS. veronicae
S. polycephala	*	-	*	-	Syn. of S. aristata	Syn. of S. aristata
S. sabulonis	-	-	-	*	*	*
S. satureiifolia	*	*	*	*	*	*
S. selloi	Syn. of S. oxylaena	Syn. of S. oxylaena	-	*	*	*
S. veronicae	*	*	*	-	-	*
Number of species	6	4	6	7	11	10

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[1] 5Author for correspondence: jfrc@macn.gov.ar