Flora of North America species comparison

erect, green to reddish or purple mottled, proximally glabrous, distally sparsely tomentulose.

erect, greenish and mottled purplish, ± glabrous or proximally glabrate, distally glabrous.

proximal often withered by flowering; petiolate (petioles 1–10 cm, often with pair of lobes);

blades deltate to ovate or elliptic, 5–20 × 4–10 cm, coriaceous, margins usually deeply, pinnately 3–5-lobed, lobes and sinuses large and ± rounded, sometimes deeply cleft to base or palmately divided, apices acute or obtuse, ultimate margins entire or dentate, faces glabrous or finely tomentose on veins;

cauline sessile or petiolate;

distal reduced in size and lobing, often entire.

proximal present at flowering; petiolate (petioles narrowly winged, sometimes lobed, 5–15 cm);

blades ovate or deltate, 3–10 × 1.5–6 cm, thin, bases hastate to truncate or rounded, sometimes shallowly, palmately lobed, ultimate margins irregularly dentate, faces glabrous;

distal reduced.

cylindric (often attenuate basally to bracteate peduncles), 12–15 × 4–5 mm.

narrowly campanulate (rounded), 7–13 × 5–8 mm.

(8–)10–14(–19);

corollas usually yellow to pale yellow, 9–15 mm.

10–19;

corollas white, 9–15 mm.

(7–)8–(10), green or often purple, narrowly lanceolate to elliptic, 10–13 mm, sparsely hispid to appressed, coarsely setose, often reduced to single coarse, appressed seta (setae green or tan).

7–12, green to tan, apices dark, linear-lanceolate, 8–12 mm, margins narrowly scarious, (apices sparsely ciliate), faces glabrous.

of 8–10, green to purple, triangular to subulate bractlets 1–4 mm, often tomentulose to setose.

5–7, green, subulate to narrowly lanceolate bractlets 3–8 mm (longest 2/3 lengths of phyllaries), glabrous.

(6–12 in nodding clusters) in broad, paniculiform to corymbiform arrays (often widely branching and subdichotomous, at least some branches elongate).

in narrow, elongate paniculiform or racemiform arrays.

golden brown to light tan, subcylindric, subterete or angled, 5–8 mm, indistinctly 8–10-ribbed;

pappi tan, 7–8 mm.

brown, fusiform to oblanceoloid, subterete or angled, 5 mm, indistinctly 7–10-ribbed;

pappi pale yellow, 5–6 mm.

= 16.

= 16.