Mugwort (Common wormwood, felon herb, chrysanthemum weed, wild wormwood, old Un)
Tall herbaceous perennial plant growing 1-2 m (3.28 - 6.56 ft), rarely 2.5 m (8.20 ft) tall with short persistent rhizomes.
Leaves white on the under-surfaces, leaf segments pointed, not blunt.
Erect stem often has a red-purplish tinge.
Leaves are 5 to 10 cm (1.97 - 3.93 inch) long, 2,5 to 7,5 cm (0.98 - 2.95 inch) wide, alternately arranged on the stem, deeply lobed, with a distinctive aroma. Leaves on the upper portions of the plant are more deeply lobed and may lack petioles. Leaf undersides are covered with soft, white to gray hairs, while upper leaf surfaces may be smooth to slightly hairy.