Xerxes, a new name to replace Alcantara (Asteraceae: Vernoniae)

<i>Xerxes</i> is proposed as a new name to replace <i>Alcantara</i> Glaziou ex G. M. Barroso (Asteraceae) (1969), not <i>Alcantarea</i> (Morren ex Mez) Harms (Bromeliaceae) (1929). The genus is monotypic, represented by <i>Xerxes ekmanianum</i>, comb. nov.