Chiliophyllum is a monotypic genus of flowering plants in the aster family, Asteraceae, containing the single species Chiliophyllum densifolium. It is endemic to Argentina, where it is known only from Mendoza Province. Its local common names include romero del piche and romero pichi.This species is a member of the Chiliotrichum Group in the tribe Astereae of the aster family. This group includes many related 'shrubby daisies' native to South America. Chiliophyllum densifolium is the type species ...