pasqueflower

noun

any of several plants (genus Anemone) of the buttercup family; esp., a North American wildflower (A. patens) of early spring, having silky, hairy foliage and cup-shaped, bluish, solitary flowers

Etymology: earlier passeflower < MFr passefleur < passer, pass + fleur, flower, altered by assoc. with Fr pasque, Pasch