Cynoglossum virginianum
From Nearctica
Identification: Flowers pastel blue, with 5 petals, in two weakly curling flower sprays. Fruits in the form of small nutlets covered with bristles. Stems hairy. Middle leaves large, hairy, with smooth outer margins, and bases clasping the stem. Basal leaves with long petioles forming a rosette. Plant 1 to 2 feet in height.
Distribution: Throughout most of eastern North America and the Plains States and provinces.
Habitat: Wild Comfrey is found in open woods.
Flowering period: May to June.