Tongue-shaped bellflower

Appearance

Herbaceous hispid biennial. The stem is simple, 20-30 cm. The basal leaves are crenate-serrate, oblong-spathulate, narrowed at the base, petiolate; the upper leaves are oblong to lanceolate, crenate-serrate, sessile.
The inflorescence is capitate, terminal, sometimes with some axillary clusters, with lanceolate involucral leaves. The flowers are sessile. The calyx-teeth are oblong, obtuse; the appendage ovate, longer than the ovary. The corolla is 20-25 mm, tubular-infudibuliform, violet.