Perennial. Stems many, up to 30 cm tall, branched, densely hairy with erect to suberect hairs, 1.5-2 mm long, often with a rusty tinge, arising from a tuberculate base. Basal leaves petiolate, oblanceolate to oblong-ovate, including lamina 20-50 x 8-18 mm, covered on both surfaces with ± appreased hairs. Cauline leaves smaller. Inflorescence elongating in fruit. Pedicels up to 11 mm in fruit, reflexed Calyx lobes 1.5-2.5 mm long, up to 4 mm in fruit. Corolla campanulate, lobes spreading. Nutiets c. 2 mm long, ± ovoid, wing of margin inflexed, inner margin of wing membranous, usually entire. Middle dorsal area with glochidiate appendage Style c. 1 mm long, exceeding nutlets.