A biennial herb up to 0.6 m. high; stems erect, unbranched, hispid (retrorsely to the lower part), solitary or few arising from the remains of the rosette of old basal leaves. Lamina 5.0–7.5( 15?)x 0.8–1.3(2.5?) cm. in inferior cauline leaves, progressively smaller to the apex, not seen in basal leaves, oblong to oblanceolate, shortly hispid above and below, the bristles with bulbous base and surrounded by cystolith areas, apex acute to obtuse, base narrowed into a petiole in basal and inferior cauline leaves, obtuse in the cauline sessile ones, the margins entire; midnerve slightly depressed above, prominent below and with the bristles retrorse on basal pan, the secondary nerves little perceptible or even undiscernible. Cymes arranged in a terminal thyrse. Flowers with pedicels c. 1.5 mm. long, retroflexed and elongated in fruit up to 15(25) mm. Calyx lobed to near base, lobes 1.2–2.0 x 0.6–0.8 mm., ovate-lanceolate, acute, hispid outside, glabrous inside, apparently 1-nerved. Corolla tube 1.4–1.7 mm. long, widely cylindric, glabrous; limb cleft to near base; lobes 0.6–0.8 x 0.4–0.6 mm., rounded at apex, almost veinless; fornices subquadrate. Stamens inserted at c. 0.8 mm. from the base of corolla tube; anthers c. 0.8 mm, long, ovate; filaments 0.2–0.3 mm. long. Stigma globulose, terminal on the short style. Nutlets c. 3.5 x 3 mm., ovoid, free from the style, not marginate, densely and uniformly covered with short and strong glochids.
