Flora of North America species comparison

erect, hispid to strigoso-hispid proximally, glabrate distally.

erect, sparsely hispid.

basal and cauline; mostly opposite;

petioles 0.1–5.5 cm;

blades ovate to broadly ovate or suborbiculate, 7–15 × 4.5–15 cm, bases rounded to truncate or ± cuneate, margins entire or crenate to serrate, abaxial faces usually scabrous, sometimes ± strigose (hairs on midribs to 1 mm), not gland-dotted (cauline 9+ pairs proximal to heads, smaller).

mostly cauline; mostly alternate;

petioles 1.2–5 cm;

blades ovate to lance-ovate, 4.5–13 × 1–4 cm, bases cuneate, margins entire, abaxial faces sparsely hispid, not gland-dotted.

0.5–10 cm.

4–9 cm.

hemispheric, 10–20 mm diam.

hemispheric, 20–27 mm diam.

8–13;

laminae 15–20 mm (abaxial faces not gland-dotted).

7–12;

laminae 18–37 mm.

75+;

corollas 6–7 mm, lobes reddish;

anthers dark, appendages dark (style branches yellow).

25+;

corollas 6.8–7.5 mm, lobes reddish;

anthers dark, appendages dark (style branches reddish).

16–23, oblong to obovate, 8–10 × 3–5 mm, (margins ciliolate) apices obtuse to acute, sometimes mucronate, abaxial faces glabrous or glabrate.

11–23, laceolate to lance-linear or lance-ovate, 17–33 × 1–2.9 mm (notably surpassing discs), (margins ± ciliate) apices attenuate, abaxial faces usually sparsely hispid to hispidulous.

3–15+.

usually borne singly.

3–4 mm, glabrous or distally puberulent;

pappi of 2 aristate scales 2.5–2.7 mm.

4.6–9 mm, appressed hairy;

pappi of 2 linear scales 2–4.5 mm plus 4–6 scales 1–3.5 mm.

9–10 mm, entire or ± 3-toothed.

7–8 mm, apices 3-toothed (middle teeth attenuate, apices purplish, ± hispid).

= 34.

= 34.