| Noun | 1. | Artemisia cana - low much-branched perennial of western United States having silvery leaves; an important browse and shelter plantsage brush, sagebrush - any of several North American composite subshrubs of the genera Artemis or Seriphidium genus Seriphidium, Seriphidium - woody plants grown chiefly for their silver or gray and often aromatic foliage; formerly included in the genus Artemisia | |