Definition of mountain daisy in English:

mountain daisy

Pronunciation /ˌmaʊntɪn ˈdeɪzi/

noun

  • 1New Zealand Any of various plants of the genus Celmisia (family Asteraceae (Compositae)), chiefly having flowers with yellow discs and white rays.

  • 2US Any of several plants of the family Asteraceae (Compositae) growing in mountainous country; especially either of two fleabanes, Erigeron coulteri and E. peregrinus, and hoary blackfoot, Melampodium cinereum.

Origin

Late 18th century (in an earlier sense). From mountain + daisy.