Biennials to 1.5 m tall, densely with grayish yellow stellate hairs. Basal and lower stem leaves petiolate; leaf blade oblanceolate-oblong, to 15 cm long, 6 cm wide, margin crenate. Other stem leaves gradually decreasing in size upward, sessile, oblong to ovate-oblong, base decurrent into wings. Spicate panicle cylindric, to 30 cm long, 2 cm wide, dense. Flowers usually few fascicled. Pedicel short. Calyx ca. 7 mm; lobes lanceolate. Corolla yellow, 1-2 cm in diameter. Stamens 5; filaments of anterior 2 stamens glabrous and of posterior 3 pubescent; anther lobes divergent at base. Capsule ovoid, as long as persistent calyx.