Biennials. Stems 50–200 cm, closely and persistently tomentose, often yellowish, eglandular. Leaves: surfaces closely and persistently tomentose, often yellowish, abaxial epidermis obscured, eglandular; basal and proximal cauline with petiole 15–50 mm; blade broadly oblanceolate to elliptic-obovate or oblong-lanceolate, (12–) 25–42 × 4–10 cm, base attenuate; cauline auriculate-subclasping, gradually smaller distally, base not decurrent, margins entire or minutely serrate-dentate, apex of distal cauline and floral bracts caudate to long-acuminate. Inflorescences freely branched, broadly elliptic or ovate panicle, flowers loosely overlapping, in clusters of 5–8; rachis closely and persistently tomentose, often yellowish, densely obscuring abaxial leaf epidermis, eglandular; bracts broadly ovatelanceolate to lanceolate, (5–) 8–15 (–20) mm, base not decurrent, apex acuminate, closely and persistently tomentose, often yellowish, densely obscuring abaxial leaf epidermis, eglandular. Pedicels free, (3–) 5–12 mm; bracteoles 2. Flowers: calyx 3–5 mm, closely and persistently tomentose, often yellowish, densely obscuring abaxial leaf epidermis, eglandular, lobes narrowly lanceolate; corolla yellow, 18–30 mm diam., pellucid glands absent; filaments villous, hairs whitish to yellowish; stigma spatulate, base decurrent. Capsules ovoid-oblong to oblong-ovate, 4–7 mm, tomentose. 2n = 36.

Phenology: Flowering May–Aug.
Habitat: Fields, roadsides, disturbed sites.
Elevation: 100–600 m.

Distribution

• Generated Map
• Legacy Map

Introduced; Calif., Ill., Europe

Discussion

There is a historic record of subsp. speciosum collected at Portland, Oregon, in 1909 (Suksdorf s.n., WS).

Selected References

None.

Lower Taxa

None.