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Darwiniana, nueva serie
versão impressa ISSN 0011-6793
Resumo
NICOLA, Marcela V; FREIRE, Susana E e ARIZA ESPINAR, Luis. Nuevas Combinaciones, nuevos sinónimos y lectotipificaciones en Chaetanthera Y Oriastrum (Asteraceae, Mutisieaae). Darwiniana, nueva serie [online]. 2015, vol.3, n.1, pp.65-72. ISSN 0011-6793.
Three new combinations in Oriastrum are proposed: Oriastrum minutum from Argentina and Chile, and O. stuebelii var. abbreviatum and O. stuebelii var. argentinum from Argentina. The following taxa are newly synonymized: O. tontalensis under O. pulvinatum var. polymallum, and O. famatinae and O. stuebelii var. cryptum with O. stuebelii var. argentinum. Nine lectotypes are here proposed for: Aldunatea chilensis, A. gnaphalioides, A. lycopodioides, Carmelita formosa, Chaetanthera stuebelii var. argentina, C. villosa, Egania acerosa, E. dioica and, Tylloma limbatum. Additionally, illustrations of phyllaries and leaves for O. pulvinatum var. polymallum and O. tontalensis are provided, as well as a table featuring diagnostic characters to the varieties of O. stuebelii and O. famatinae.
Palavras-chave : Chaetanthera; Compositae; Lectotypes; Nomenclature; Oriastrum; Synonymy.