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.

oblanceolate or elliptic in outline, 3–35 × 2–10 cm;

margins often curled, 2–3-times pinnately lobed;

surfaces villous to woolly, sometimes glabrous;

primary lobes in 6–24 pairs; secondary lobes linear to ovate or obovate.

3–5 × 5–10 mm.

4–5 × 8–22+ mm.

15–25; vestigial, yellow.

0–25;

rays 1–6 mm, yellow.

corollas 1.5–2 mm, yellow.

corollas 2–2.5 mm, yellow.

with chartaceous margins; inner often membranetipped.

with membranous margins; inner not membranetipped.

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

pappi 0 or of low crowns.

2–3 mm, tan;

gland-dotted, 3–5-ribbed, pappi of low crowns or a ring of scales.

20–200;

peduncles 2–15 mm, glabrous or villous.

2–20+;

peduncles 0.3–12 cm, villous.

=18.

=54.