What is the meaning of the word "daisy bush"?

Definitions:

  1. Any of several woody shrubs, especially of the genus Olearia, that bear daisy-like flowers and are native to Australia and New Zealand, with some species cultivated worldwide as ornamentals. copy to clipboard NOUN
    • With its vibrant color, the daisy bush addeda burst of sunshine to the otherwise muted tones of the desert landscape. copy to clipboard
  2. Refers to a group of shrubs that produce daisy-like flowers, often used in gardens for their bright blooms and easy maintenance. copy to clipboard NOUN
    • Gardeners value the daisy bush for its drought tolerance and long blooming season. copy to clipboard