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| Riva,Adriana; Pozner,Raúl; Freire,Susana E. |
| Recent molecular studies suggest that Senecio otites belonging to Senecio sect. Senecio ser. Otopteri should be removed from Senecio so that this large and taxonomically complicated genus would be monophyletic. In order to evaluate the taxonomic position of Senecio otites and the placement of series Otopteri, 13 species belonging to Senecio sect. Senecio ser. Otopteri, including S. otites, were examined for micromorphological characters of the style branches (stigmatic surface, stylearm apices) and anthers (filament collar, anther bases, anther appendages). Three states of these micromorphological characters were present in nearly all species of Senecio sect. Senecio ser. Otopteri: 1) the style-arms are apically convex or subconvex, papillate, and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Asteraceae; Compositae; Micro-morphology; Section Otites; Senecio; Series Otopteri; South America. |
| Ano: 2009 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0011-67932009000200011 |
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| Zavala-Gallo,Lucio; Denham,Silvia; Pozner,Raúl. |
| The nomenclatural revision of 51 names previously published, combined or synonymyzed under the genus Nastanthus (Calyceraceae) is presented. Six species are recognized with correct names and new synonyms established. The nomenclature of Nastanthus ventosus, Nastanthus scapigerus and Nastanthus compactus is updated, giving a total of 45 synonyms. Lectotypes for Boopis caespitosa, Boopis scapigera, Boopis spathulata, Nastanthus laciniatus, Boopis araucana, Calycera ventosa, Nastanthus pinnatifidus and Boopis breviflora are here designated. A map with the geographic distributions, complete species descriptions, corrected illustrations, and a new key to accepted species of Nastanthus, are included. |
| Tipo: Journal article |
Palavras-chave: Calyceraceae; Nastanthus; Taxonomy. |
| Ano: 2010 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-66432010000200002 |
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