OregonFlora species comparison

alternate (upper and floral leaves generally opposite or whorled), oblong to narrowly obovate, 20–85 × 3–15 mm;

margins serrulate at least in upper 33%;

tips obtuse;

surfaces glabrous.

alternate (upper leaves may be opposite), obovate to spatulate, 10–30 × 5–15 mm;

margins toothed at least in upper 25%; entire below;

tips rounded;

surfaces glabrous, sessile.

involucres bell-shaped, 1.5–3.5 mm;

glands not horned.

involucres cone- to bell-shaped, 2–3 mm;

glands not horned.

styles divided nearly to base.

oblong, 3–5 mm.

round, 2–2.5 mm.

oblong, 2–3 mm, with shallow reticulate markings.

ovoid to ellipsoid, 1–2 mm, with reticulate pitting.