OregonFlora species comparison

1–several, thinly to densely gray-tomentose.

elliptic to oblanceolate, 10–35 × 1–7 cm;

margins unlobed, dentate, or deeply pinnate;

spines 2–7 mm;

surfaces abaxially gray-tomentose, adaxially glabrate to thinly tomentose;

basal often absent at flowering, sessile, decurrent, or petiolate.

ovoid to spherical or campanulate, 2–3 × 1.5–3 cm, glabrous or arachnoid.

corollas 18–32 mm, white or pale lavender;

tubes 7–15 mm;

throats 6–10 mm;

lobes 3.5–7 mm;

style tips 3.5–7 mm.

strongly imbricate, with weakly developed; narrow glutinous ridges;

tips ascending to spreading;

spines 2–6 mm.

5–8 mm, brown;

pappi 12–25 mm.

1–several.