Dictionary.net

• shrubby perennial of the Canary Islands having white flowers and leaves and hairy stems covered with dustlike down; sometimes placed in genus Chrysanthemum

2006 - WordNet 3.0
By Princeton University

• shrubby perennial of the Canary Islands having white flowers and leaves and hairy stems covered with dustlike down; sometimes placed in genus Chrysanthemum

2011 - English Dictionary Database
By DataStellar Co., Ltd