OregonFlora species comparison

elliptic in outline, 2–25 × 2–10 cm;

margins usually denticulate, 2-pinnately lobed;

surfaces glabrous or lightly pubescent;

primary lobes in 4–10 pairs; secondary lobes linear to oblanceolate or triangular.

ovate-lanceolate or elliptic, 2–35 × 2–10 cm;

margins entire or few-lobed near bases;

surfaces glabrous or strigillose.

3–5 × 5–10 mm.

3–4 × 3–8 mm.

15–25; vestigial, yellow.

usually 0, rarely 12–15, 4–7 mm, white.

corollas 1.5–2 mm, yellow.

corollas 2–2.5 mm, yellow.

with chartaceous margins; inner often membranetipped.

chartaceous-margined; inner often membranetipped.

1–2 mm, brown, 4–5-ribbed, glabrous or gland-dotted;

pappi 0 or of low crowns.

1.5–2 mm, brown;

gland-dotted, often puberulent, 5–8-ribbed, pappi of low crowns.

20–200;

peduncles 2–15 mm, glabrous or villous.

3–60;

peduncles 0–8 mm;

surfaces strigillose.

=18.

=18, 54.