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Taxonomic notes on the genus Chrysolaena (Vernonieae, Asteraceae), including a new species endemic to Paraguay
(Finnish Zoological and Botanical Publishing Board, 2007-12)
The genus Chrysolaena H. Rob. (Vernonieae, Asteraceae) is redefined to include two taxa previously placed in Lessingianthus subgen. Oligocephalus H. Rob. Additionally, a new species of the genus endemic to eastern Paraguay ...
Pollen morphology and implications for the taxonomy of the genus Chrysolaena (Vernonieae, Asteraceae)
(American Association of Stratigraphic Palynologists Foundation, 2013)
Glandular trichomes on aerial and underground organs in Chrysolaena species (Vernonieae - Asteraceae): Structure, ultrastructure and chemical composition
(ELSEVIER GMBH, URBAN & FISCHER VERLAGJENA, 2013-08-02)
Although the occurrence of glandular trichomes is frequently reported for aerial vegetative organs, many questions still remain opened about the presence of such trichomes in underground systems. Here, we present, for the ...
Sesquiterpene lactones from Chrysolaena platensis
(Pergamon-Elsevier Science Ltd, 2000-08)
Aerial parts of Chrysolaena platensis (Spreng.) Robinson were collected at the flowering stage on December 28, 1997 in Misiones Province, Argentina. A voucher specimen (LIL 603539) is on deposit in the herbarium of the ...
Comparative anatomy of stems and leaves in some species of the South American genus Chrysolaena (Vernonieae, Asteraceae) and taxonomic implications
(Wiley, 2013-12)
Vegetative anatomical features are poorly known in the South American genus Chrysolaena. In this study, leaves and stems of six Chrysolaena species were described and compared morphologically and anatomically using ...
Revisión taxonómica del género sudamericano Chrysolaena (Vernonieae, Asteraceae)A revision of the South American genus Chrysolaena (Vernonieae, Asteraceae)
(Sociedad Argentina de Botánica, 2009-12)
El género Chrysolaena H. Rob. (Vernonieae, Asteraceae) se diferencia de los restantes miembros sudamericanos de la tribu por la presencia de indumento seríceo o velutino, anteras con apéndice apical glanduloso, estilo sin ...
Systematic consideration of floral microcharacters of the south american genus chrysolaena (vernonieae, asteraceae)
(Taylor and Francis Ltd, 2016)
Floral microcharacters of the genus Chrysolaena H. Rob. (Vernonieae, Asteraceae) were analysed in detail for the first time in order to evaluate the taxonomic position of conflictive species in the group. The results were ...
Chrysolaena cordifolia Dematteis
(Universidad Nacional de Cordoba. Facultad de Ciencias Exactas, Fisicas y Naturales; Consejo Nacional de Investigaciones Cientificas y Tecnicas. Instituto Multidisciplinario de Biologia Vegetal, 2007)
Campinas de América, predio del cementerio
Cytotaxonomy and geographic distribution of cytotypes of species of the South American genus Chrysolaena (Vernonieae, Asteraceae)
(Wiley-liss, Inc, 2019-09)
Understanding speciation and biodiversity patterns in plants requires knowledge of the general role of climate in allowing polyploids to escape competition and persist with their diploid progenitors. This is a particularly ...