The inflorescence grows in rounded or flattish clusters. Stems are stout, ridged, branched, and covered with fine down.
Older stems are woody.
Plant is full and somewhat dense and grows to 3 feet. Leaves and flowers have a strong unpleasant scent that repels bees. This plant should not be grown next to others that depend on bee pollination. This is mostly a cultivated plant, but seeds itself everywhere. Escapes are more than common.