OregonFlora species comparison

usually 1, sparsely arachnoid-tomentose to glabrate.

usually 1, sparsely to densely arachnoid-villous.

elliptic to linear-oblong, 8–20(35) × 2–8 cm, gradually reduced above;

margins coarsely dentate or 1–2-pinnate;

spines 1–5 mm;

surfaces abaxially ± thinly gray-tomentose, adaxially glabrous to sparsely pilose;

basal usually present at flowering, clasping to petiolate.

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.

broadly cylindric to narrowly campanulate, 3–5 × 2–4 cm, glabrous to thinly tomentose.

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

corollas 30–45 mm, red, occasionally red-purple;

tubes 10–20 mm;

throats abruptly narrowed to tubes, 10–16 mm;

lobes 9–11 mm;

styles conspicuously exserted;

tips 3.5–5 mm, sometimes geniculate.

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 weak, 1–3 mm; outer short, linear-lanceolate, appressed;

margins entire or spiny-ciliate;

tips long-acuminate; inner linear; long; entire;

tips red to purple; flat.

without glutinous ridges;

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

6–7 mm, brown;

pappi 25–40 mm.

3.5–6.5 mm; light to dark brown;

pappi 10–25 mm.

1–6 per branch;

lateral heads widely spaced along distal portions of branches.

1–many.