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CommentsPasque Flower is one of the earliest flowers to bloom in a prairie. The common name refers to the religious holiday of Easter, when the flowers are often in bloom. A scientific synonym of this species is Pulsatilla patens, and another common name is Prairie Crocus. Pasque Flower is easy to identify because of its large early-blooming flowers, narrowly lobed leaves, and abundant silky hairs on the foliage and outer surfaces of the sepals. These abundant hairs probably protect the Pasque Flower from spring frosts and various herbivores. The flowers of this plant are larger in size than other anemone species (Anemone spp.) in Illinois. Like many clematis vines (Clematis spp.), it is somewhat unusual in having persistent plumose styles on its achenes.