OregonFlora species comparison

branched above, sparsely tomentose;

gland-dotted.

simple or sparsely branched, thinly tomentose to glabrate.

villous, thinly to densely tomentose;

gland-dotted;

basal and lower cauline blades oblong to oblanceolate, 2–15 cm;

margins dentate, pinnately lobed or entire, petiolate to tapering at base; upper cauline blades linear to oblong, 1–5 cm, bases decurrent;

margins dentate to entire.

thinly villous or tomentose to glabrate;

basal and lower cauline blades ovate to oblong or oblanceolate, 10–30 cm; > 1 cm wide;

margins entire to shallowly dentate or pinnately lobed;

petioles winged; upper cauline blades ovate to oblong or lanceolate, gradually smaller, decurrent;

margins entire or minutely dentate, sessile.

1–few in corymb-like arrays or heads solitary.

few-headed corymb-like arrays.

ovoid, 8–15 mm.

campanulate, 20–25 mm.

yellow, sterile florets ? fertile florets, fertile florets 10–14 mm.

sterile florets 25–45 mm, blue, rarely white, pink, or purple, fertile florets 20–30 mm, purple;

anthers dark purple.

outer ovate, bases spiny-fringed;

surfaces tomentose to glabrate;

central spines slender, 5–10 mm, often purple; inner entire; acute or spine-tipped.

outer lanceolate to ovate, green;

margins scarious with comb-like fringe; appendages not obscuring phyllary bodies, brown to black; inner occasionally without appendages.

2.5–3 mm, white or light brown, finely hairy, pappi of unequal, white bristles, 1.5–3 mm.

5–6 mm, brown to white with slightly appressed hairs, pappi of bristles, 0.5–1.5 mm.

disciform.

± radiate, pedunculate or sessile.

=24.