Common Names: Mugwort, common wormwood, riverside wormwood, felon herb, chrysanthemum weed, wild wormwood, old Uncle Henry, sailor's tobacco, naughty man, old man, St. John's plant
Sub-category: Aster family
It is a tall herbaceous perennial plant growing 1 to 2 m tall, with a woody root. The leaves are 5 to 20 cm long, dark green, pinnate, with dense white tomentose hairs on the underside. The erect stem often has a red-purplish tinge. The rather small flowers (5 mm long) are radially symmetrical with many yellow or dark red petals. The narrow and numerous capitula (flower heads) spread out in racemose panicles.
It is a very common plant growing on nitrogenous soils, like weedy and uncultivated areas, such as waste places and roadsides. It flowers from July to September.
Primary Flower Color: White
Secondary Flower Color: Brown