OregonFlora species comparison

glabrous or occasionally villous-puberulent.

glabrous or tomentose.

cauline, numerous, linear, 2–8 cm;

margins entire, rarely some few-cleft;

tips acute or acuminate;

surfaces glabrous, sessile.

cauline, 2–12 cm, regularly or irregularly pinnately lobed;

lobes toothed or again lobed;

tips acute;

surfaces abaxially glabrous, adaxially glabrous or tomentose, sessile or petiolate.

panicle-like.

panicle-like.

spherical or hemispheric, 2–4 mm.

cylindric or campanulate, 3–4 mm.

glabrous.

glabrous.

15–45; outer pistillate; inner functionally staminate.

20–30; outer pistillate; inner bisexual.

in several equal series, with a few short outer, lanceolate;

margins membranous;

tips obtuse;

surfaces glabrous.

in several equal or unequal series, lanceolate or oblong; outer gradually shorter or sometimes exceeding inner;

margins membranous;

tips acute or obtuse;

surfaces tomentose.

0.5–1 mm, glabrous.

0.5–1.2 mm, glabrous, sometimes resinous.

disciform; erect or nodding, peduncled.

disciform; erect, sessile or peduncled.

=18.

=18, 36, 40, 44.