Flora of North America species comparison

erect, greenish to purplish, glabrous proximally, often tomentulose distally.

erect, often mottled purple or nearly all purple (often with stout bases, 8–12 mm diam.), proximally glabrous, tomentulose distally.

proximal present at flowering;

petioles winged;

blades usually ovate or triangular, 4–15 × 2–16 cm, thin, bases truncate to hastate or cordate, margins entire or shallowly dentate, often deeply 3-lobed, faces glabrous or with scattered hairs on veins;

distal reduced in size and lobing.

proximal present at flowering;

petioles narrowly winged (to 18 cm);

blades usually ovate to triangular or cordate, 4–30 × 3–18 cm, thin to coriaceous, bases often hastate, margins usually coarsely dentate or serrate, sometimes deeply 3-lobed or parted, lobes acute, faces glabrous adaxially, pale to whitish and sometimes hirsute abaxially;

distal reduced.

cylindric, 9–14 × 2–3 mm.

cylindric to campanulate, 13–15 × 3–5 mm.

(4–)5(–6);

corollas pale yellow to greenish yellow, 7–15 mm.

7–9(–13);

corollas whitish to pale pink, lavender or red, 9–15 mm.

(4–)5(–6), pale green, often blackish at bases and apices, linear to lanceolate, 10–12 mm, glabrous or sparsely hairy.

(6–)8(–9), ± purplish or maroon, lanceolate, 10–13 mm, margins scarious, minutely ciliate, apices acute, faces glabrous.

of 4–6, blackish, triangular bractlets 1–4 mm, glabrous.

of 5–7, triangular to lanceolate bractlets 1–3 mm, glabrous.

in narrow or spreading, paniculiform arrays.

(3–8, in clusters) in paniculiform arrays (densest near apices).

brown to tan, subcylindric, subterete, 4–5 mm, indistinctly 5–10-ribbed;

pappi usually whitish or pale yellow, sometimes reddish brown, 5–6 mm.

brown or tan, elliptical to linear, 3.5–6 mm;

pappi usually reddish brown, sometimes rusty, rarely yellowish, 6–7 mm.

= 16.

= 32.