WordNet (r) 3.0 (2006):

Argyranthemum frutescens
    n 1: perennial subshrub of the Canary Islands having usually
         pale yellow daisylike flowers; often included in genus
         Chrysanthemum [syn: marguerite, marguerite daisy,
         Paris daisy, Chrysanthemum frutescens, Argyranthemum
         frutescens]