OregonFlora species comparison

erect; simple or branched, glabrous or minutely pustulose.

leaflets 3–5;

leaflets lanceolate to lance-ovate, 2–10+ cm;

margins evenly serrate or denticulate;

tips acute or acuminate;

surfaces glabrous;

petioles 1–7 cm.

hemispheric, 7–12 mm in diameter.

0 or few;

rays 2–3 mm; golden-yellow.

20–100+;

corollas orange, 2–3 mm.

outer 5–8, mostly ascending to erect;

margins often sparsely setose-ciliate; inner 5–9 mm, glabrous.

obovate or wedge-shaped, 5–10 mm, roughly tuberculate;

margins sometimes minutely barbed, pappi of 2 antrorsely or retrorsely barbed awns, 2–5 mm.

few to numerous; solitary and terminal on stems and branches or in corymb-like arrays; erect;

peduncles 1–4(8) cm.

=24, 48, 72.