Quick Quiz: Nouns Score: Change category, Flip order Reset Incorrect! Try again. Noun: genus verbesina Your choice? type genus of the Viperidae genus of annual densely hairy herbs of Mediterranean to southwestern Asia   (Noun: genus xeranthemum) herbs and shrubs of warm North America to Mexico; includes plants formerly placed in genus Actinomeris tropical American plants with stiff lancelike leaves and spikes of white blossoms; sometimes considered a genus of Amaryllidaceae