[brit-l-boo
sh] 
| any of several composite plants of the genus Encelia, of desert regions of the southwestern U.S. and Mexico, having alternate leaves and yellow ray flowers with a yellow or purple center. |
| brit·tle·bush (brĭt'l-bŏŏsh') n. A shrub (Encelia farinosa) in the composite family, native to Mexico and the southwest United States and having grayish foliage and showy flower heads with yellow rays. |