OregonFlora species comparison

erect to ascending, striate, glabrous;

gland-dotted, resinous.

blades lanceolate, 50–130 × 8–30 mm, bases tapered to petioles;

margins entire or finely dentate, 1- or 3-veined; larger prominently 3-veined;

tips acute to acuminate;

surfaces glabrous; black gland-dotted; short-petiolate.

dense; terminal; flat-topped; corymb-like arrays.

hemispheric; of staminate heads 3.5–5 mm; of pistillate heads 3.8–4.8(6) mm.

80–150;

corollas 1.7–3 mm.

26–40;

corollas 3.5–4 mm.

narrowly lanceolate, 2–4 mm; inner series ~ equal;

margins yellowish; medians green to purplish;

tips acuminate.

0.6–1.5 mm, 5-veined, glandular, hispidulous distally;

pappi 2.6–4(7) mm.