Source : WordNet®

rock rose
     n 1: any of numerous varieties of helianthemums having small
          roselike yellow or white or reddish flowers [syn: {rockrose}]
     2: small shrubs of scrub and dry woodland regions of southern
        Europe and North Africa; grown for their showy flowers and
        soft often downy and aromatic evergreen foliage [syn: {rockrose}]