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Bonplandia
versão impressa ISSN 0524-0476versão On-line ISSN 1853-8460
Resumo
LOZANO, Evangelina C.; ZAPATER, María A.; FLORES, Carolina B. e AQUINO, Víctor H.. Schinus section Myrtifolia (Anacardiaceae) in Argentina. Bonplandia [online]. 2022, vol.31, n.1, pp.69-87. ISSN 0524-0476. http://dx.doi.org/10.30972/bon.3115825..
Schinusis a well known ecologically and economically important genus in Argentina. A recent molecular phylogenetic study proposed a new infrageneric classification ofSchinusin sections. SectionMyrtifoliahas been defined as a clade of ca. 11 species from the Yungas, five of which occurring in Argentina (S. gracilipes,S. huynganvar.subtridentata,S. meyeri,S. myrtifolia, andS. venturii). The objective of this work was to present an updated synthesis of the diversity ofSchinussectionMyrtifoliain Argentina. New collections were revised and made. The traditional methodology for taxonomic studies, including morphological observations, was followed. Protologues and types were analyzed, and geographic distributions were recorded. Our results support the existence of only four species in Argentina, because we propose the synonymy ofS. meyeriwithS. venturiiand ofS. gracilipesvar.pilosawithS. gracilipes.Schinus huynganvar.subtridentatais a new mention. A distribution map of the four species and a taxonomic key are presented.Schinus gracilipesandS. huynganvar.subtridentataare the most easily identified species;S. myrtifoliaandS. venturiishow the highest leaf morphological variation. Species are differentiated from one another by their latitudinal distribution.
Palavras-chave : Taxonomic novelties; Schinus gracilipes; S. huyngan var. subtridentata; S. myrtifolia; S. venturii; southern Yungas..