Plant: Perennial herb with a broad rosette of large leaves at the base
of the plant. Thick stems and undersides of leaves covered with white
wool. 1-1/2 to 3 feet tall. Invasive.
Flowers: Flower heads are solitary on stout stems, 2-3/4 to 4 inches
long. Purple flowers.
Leaf: Gray green above and white woolly below. Deeply cleft into
narrow segments, 1 to 2 feet long at the base, somewhat shorter above.