OregonFlora species comparison

not woody.

opposite;

proximal often alternate, 1–8 cm;

surfaces woolly-pubescent, or adaxially glabrate and green, sessile or petiolate.

upper mostly alternate;

margins usually revolute.

3–11 mm.

8–10 mm in diameter.

(0)5–15;

corollas 5–20 mm, yellow.

9–13;

rays 6–9(16) mm.

20–200.

in 2–3 equal series; lance-linear, woolly tomentose.

2–5 mm, brown, pappi of 6–12 erose or lacerate scales, 0.3–2 mm.

2–3.5 mm.

solitary or few in open panicle-like arrays;

peduncles 3–30 cm, woolly-tomentose.

=16, 32.