OregonFlora species comparison

hollow.

hollow.

5–35 × 1–15 cm, usually pinnately lobed;

lobes deltate to lanceolate;

auricles straight, not coiled against stem;

lobes acute.

5–30 × 1–15 cm, usually pinnately lobed;

lobes deltate;

auricles coiled against stems;

lobes rounded.

9–13+ mm.

9–15 mm.

15–150+;

ligules 10–30 mm; ? tubes, yellow.

20–150+;

ligules 10–15+ mm, usually < tubes, yellow.

12–50+;

surfaces glabrous or stipitate-glandular.

20–50;

surfaces usually glabrous, sometimes hispid or stipitate-glandular.

2.5–3.8 mm, dark brown, rugulose or tuberculate.

2–3 mm; straw-colored to reddish brown; smooth.

=32, 36.

=18.