The plant is an upright, smooth annual. Its preferred habitat
is yards, fields and roadsides. Distribution is throughout the
The leaves are alternate on the stem and in basal rosettes,
consisting of one whole part (rosette leaves are stalked and
oval in outline). Stem leaves are ovate with margins toothed.
The leaf base is cordate (heart-shaped) and clasping the stem.
The flowers are a spike or raceme. Each flower is bisexual
in nature and symmetrical in form. The petals are subtended by
oval leaf-like bracts, reduced toward the tip. The calyx has
five lobes and rotate like a wheel. The color is light blue to
lavender. Flowers occur in April to June.
Fruit is a capsule with pores below the midpoint.