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The plant was introduced to Brazil in the decade of the 1960s. ’) This statement contradicts the finding described by von Schmeling and the statement made by Sumida. Based on the geographic range of S. rebaudiana as indicated by Bertoni (1918), the climatic requirements for the natural occurrence of S. 8). Such a region corresponds to a subtropical mesothermal and humid climatic zone, with a rainfall-deficient winter (Fariña Sanchez 1973). 5 °C, with a minimum and a maximum of ca. 17 °C and 26 °C, respectively, based on 1946–1967 meteorological data.

Academy of the Arts ands Sciences of the Americas, Miami, Florida, pp. 58–60. E. (1972) A Systematic Study of the North and Central American Species of Stevia. D. Dissertation, University of Texas, University of Michigan Microfilm 73–7556, pp. 1–608. W. K. (1972) Chromosome numbers in North Central American Compositae. Brittonia 24, 379–394. E. (1974) Novelties in Stevia (Compositae. Eupatorieae). Brittonia 26, 347–384. , Trehane, P. and McNeill, J. (1994) International Code of Botanical Nomenclature (Tokyo Code), p.

The Customs Officer who gave the sample had apparently received it from a herbalist from the northern part of the country. Bertoni was able to identify the plant in the crushed sample and place it in its correct taxonomic position, in the Tribe Eupatorieae of the Compositae. However, due to the fragmentary nature of the specimen, he could not pinpoint the generic affiliation, namely, whether the plant belonged to Stevia or to Eupatorium. 3 Districts in Eastern Paraguay in the 1860s. [Adapted from Kleinpenning (1987)].

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