Color, pale purple with darker spots. Flowers, with tubular, 2-lipped calyx and corolla, in whorls around the stem and forming round, terminal heads, heaves, with long petioles, ovate, rounded or heart - shape at base, pointed; floral bracts linear, shorter than the calyx. Calyx, with long hairs, and whole plant rough-hairy. June to September.
Deep, cool woods and shaded places throughout the Atlantic States.