pasqueflower

noun

1. an Old World plant, Anemone pulsatilla, of the buttercup family, having purple, crocuslike flowers blooming about Easter.
2. a related plant, A. patens, having similar flowers: the state flower of South Dakota.

noun

1. a purple-flowered herbaceous ranunculaceous plant, Anemone pulsatilla (or Pulsatilla vulgaris), of N and Central Europe and W Asia
2. any of several related North American plants, such as A. patens