Abstract
Abstract Trochiscanthes Koch (Apiaceae) is an european endemic monospecific genus. This paper deals with the phylogenetic analysis on molecular basis to assess the relationships of the genus. Parsimony, maximum likelihood and Bayesian support analyses on the basis of the ribosomal internal transcribed spacers were adopted. Moreover data were added to mericarp section data, one of the most important morphological markers in Apiaceae. Trochiscanthes nodiflora, Ligusticum porteri, Ligusticum canadense and Conioselinum scopulorum clustered together with 100% Bayesian and Bootstrap (parsimony) support. These clade was sister to Conioselinum chinense (93% Bayesian and 59% Bootstrap support). This clade corresponds to the “Conioselinum chinense” clade, by other authors. All these species clustered together with Meum athamanticum (97% Bayesian and 62% Bootstrap support). This result clarifies the position of genus Trochiscanthes. Moreover, since Ligusticum and Conioselinum (in traditional sense) resulted as proba...
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