English edit

 
Billy buttons (Pycnosorus globosus) flowerheads.

Noun edit

billy buttons (uncountable)

  1. Any of many species of daisy-like plants in the tribe Gnaphalieae native to Australia and New Zealand
    1. especially any of several flowering plants, of the genus Craspedia (but especially Craspedia globosa), native to Australia, having globes of yellow flowers.
    2. Any of several species of the genus Leiocarpa.
      1. The plains plover daisy (Leiocarpa brevicompta, formerly Ixiolaena brevicompta), found in floodplains of Queensland and New South Wales; it is poisonous to sheep.
    3. Any of several species of the genus Pycnosorus, formerly in Craspedia. [since 1992]

Further reading edit