〈植〉菊花
1.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 rays.
2.The shoot tips with a length of 0.5~0.8 mm is suitable for explants,which came from Chrysanthemum with CMV.Callus grew well on MS+BA2.0 mg/L+NAA0.1 mg/L and 96.0% explants formed.

