OregonFlora species comparison

6–38 cm, sericeous; from single taproot.

ovate-lanceolate, 1-pinnately divided almost or entirely to midribs, often more deeply divided proximally than distally;

margins entire or few-toothed, occasionally some lower leaves serrate on lower margins;

surfaces sericeous; more densely so abaxially than adaxially;

basal leaves in 1–few rosettes;

blades 3–18 × 1–7 cm;

pinnae 6–16 mm wide;

petioles 3–17 cm;

cauline leaves in 1 pair; opposite, reduced;

blades 2.5–4 × 1–1.6 cm;

petioles 2.5–4 cm.

with 1 terminal head.

12–15 × 15–22 mm.

13–14, yellow;

rays 12–20 × 5–8 mm.

~9 mm.

ovate, 10–17 × 5–9 mm;

tips acuminate, sericeous.

6–7 × 1.5 mm, glabrous.

13–14 mm.