| Noun | 1. | daisy bush - any of various mostly Australian attractively shaped shrubs of the genus Olearia grown for their handsome and sometimes fragrant evergreen foliage and profusion of daisy flowers with white or purple or blue raysgenus Olearia, Olearia - large genus of Australian evergreen shrubs or small trees with large daisylike flowers muskwood, Olearia argophylla - musk-scented shrub or tree of southern and southeastern Australia having creamy-yellow flower heads bush, shrub - a low woody perennial plant usually having several major branches | |