Family, Mint. Color, lavender or pale blue. Leaves, green above, whitish and downy beneath, nearly sessile, ovate, narrowing at the base. Hairy, colored bracts under the calyx. Calyx, tubular, 2-lipped, the upper lip armed with 3 long, the lower with 2 shorter teeth. Corolla, with 2 about equal lips, hairy, the upper entire; the lower 3-divided, spreading, the middle lobe notched and narrower than the side lobes. Stamens, 2. Two feet or less high. Flowers, in terminal round heads and in whorls around the stem in the leaf-axils. Whole plant rough and hairy. June to August.
Dry soil, open places. From Massachusetts southward and westward.