The small, ¼ inch blue flowers are packed tightly
into 6 inches terminal racemes. The individual
flowers have a 4 or 5 parted calyx and a rotate
corolla that is 4 or 5 lobed.
Early summer
The leaves are opposite and have a soft white-tomentose.
The lower leaves are oblong and the upper stem leaves
are lanceolate. Length varies from 2-4 inches. The leaves
are petioled and obtusely crenate.