OregonFlora species comparison

up to 35 cm, tomentose; from single taproot.

5–15 cm, villous-hirsute to villous below heads; from single taproot.

lanceolate-oblong, 1-pinnately divided;

pinnae toothed, with teeth only on lower margins;

surfaces tomentose;

basal leaves in 1–few rosettes;

blades 12–22 × 6–8 cm;

pinnae 10–36 mm wide;

petioles 7–20 cm;

cauline blades 1.5–5 × 0.3–0.9 cm;

petioles 6–9 cm.

oblong-lanceolate, pinnately lobed from ¼ to ??? to midrib, occasionally some leaves undivided;

margins toothed to crenate with pointed teeth;

surfaces villous-hirsute; more densely so abaxially than adaxially;

basal leaves in 1–few rosettes;

blades 2.5–7 × 1.5–2.8 cm;

pinnae 6–12 mm wide;

petioles 1.5–4.5 cm;

cauline leaves in 1 opposite pair or 0;

blades 0.7–2 × 0.3–1 cm;

petioles 3–4 cm.

with 1 terminal head.

with 1 terminal head.

14–18 × 25–30 mm.

10–13 × 20–25 mm.

14–16, yellow;

rays 35–40 × 8–11 mm.

~13, yellow when young, turning from yellow to pink or red;

rays 10–15 × 7–8 mm.

~9 mm.

~6 mm.

ovate-lanceolate, 20–25 × 5–6 mm;

tips acuminate, tomentose.

linear to linear-lanceolate, 12–15 × 1–2 cm, villous.

8–9 mm, glabrous.

5–6 mm, strigillose.

10–12 mm.

11–13 mm.

=100 ± 2.

=38.