Hoary Mountain-mint

Pycnanthemum incanum

From Nearctica

Identification: Flowers white spotted with pink or violet. Petals fused into a tube for their lower half, but free and hardly modified in their upper halves. Top two petals fused into a single lobe, other petal lobes splayed with a ragged appearance. Stamens protruding. Calyx irregular, teeth on one side much longer than on other side. Flowers arranged in tightly packed clusters, flowers appearing sporadically in the head. Stem square, finely hairy. Leaves ovate, tapering at both the apex and the base, and with a distinct petiole. Underside covered with fine, white hairs Outer margin toothed. Plant 1.5 to 3 feet in height.