Source : WordNet®

American pulsatilla
     n : short hairy perennial with early spring blue-violet or lilac
         flowers; North America and Siberia [syn: {American
         pasqueflower}, {Eastern pasque flower}, {wild crocus}, {lion's
         beard}, {prairie anemone}, {blue tulip}, {Pulsatilla
         patens}, {Anemone ludoviciana}]