Two developments in Zinnia Subgenera Diplothrix (Compositae: Heliantheae) from central Mexico

Zinnia acerosa (DC.) A. Gray var. guanajuatensis, from the state of Guanajuato, and Z. zamudiana, from the state of Querétaro, are described as new. The first differs from the typical variety in the prostrate habit, in the wider heads which contain a larger number of flowers, and in the almost compl...

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Detalhes bibliográficos
Principais autores: Calderon de Rzedowski, Graciela, Rzedowski, Jerzy
Formato: Online
Idioma:spa
Publicado em: Instituto de Ecología, A.C. 1996
Acesso em linha:https://abm.ojs.inecol.mx/index.php/abm/article/view/763
Descrição
Resumo:Zinnia acerosa (DC.) A. Gray var. guanajuatensis, from the state of Guanajuato, and Z. zamudiana, from the state of Querétaro, are described as new. The first differs from the typical variety in the prostrate habit, in the wider heads which contain a larger number of flowers, and in the almost completely epappose achenes. The second seems to be related to Z. juniperifolia (DC.) A. Gray, but is remarkably distinct in the prostrate, more or less pulvinate habit, in the sessile or very shortly pedunculate heads, and in the smaller and less intensely colored ligules.