ragged robin

noun1

1. •
   (UK) A type of wild campion (Silene flos-cuculi, syn. Lychnis flos-cuculi), in the family Caryophyllaceae, which grows across Europe and has pink flowers.

   • Paul came back and threaded daisies in her jet black hair, big spangles of white and yellow, and just a pink touch of ragged robbin. — 1913