Centaurea inexpugnabilis , una nueva especie de la sección Acrocentron para la flora ibérica

Abstract

A new species for the genus Centaurea L. (sect. Acrocentron , Asteraceae) is described: C. inexpugnabilis , sp. nov. This plant has been found in the Mallos de Riglos (Riglos, Huesca, Spain), and its distribution is currently limited to the northeastern of the Iberian Peninsula. A description and diagnosis, iconography and several tables showing the main diagnostic characters to differentiate it from its related species is reported.