OregonFlora species comparison

usually 1, sparsely to densely arachnoid-villous.

oblong to oblanceolate, 5–50 × 1–10 cm;

margins entire, sometimes undulate, coarsely dentate to deeply pinnate;

spines 2–10 mm;

surfaces abaxially sparsely glabrate to arachnoid-tomentose, adaxially glabrate to sparsely villous, often villous along veins;

basal usually absent at flowering, sessile, clasping, or petiolate.

narrowly ovoid to hemispheric or campanulate, 1.5–4 × 1.5–4 cm, thinly to densely arachnoid-tomentose.

corollas 14–22 mm, purple to pink, rarely white;

tubes 7–11 mm;

throats 4–8 mm;

lobes (2)4–7 mm;

styles conspicuously exserted;

tips 3–4 mm.

without glutinous ridges;

spines slender, 1–15 mm; outer bases < 2 mm wide.

3.5–6.5 mm; light to dark brown;

pappi 10–25 mm.

1–many.