Flora of North America species comparison

erect, usually hispid.

erect, glabrous proximally, distally glabrate, scabrellous, or strigillose (glaucous).

mostly cauline; mostly alternate;

petioles 2–20 cm;

blades lance-ovate to ovate, 10–40 × 5–40 cm, bases cuneate to subcordate or cordate, margins serrate, abaxial faces usually ± hispid, sometimes gland-dotted.

cauline; opposite (proximal) or alternate;

petioles (1–)2–5 cm;

blades (light to dark green, 3-nerved distal to bases) lanceolate to lance-ovate, 10–32 × (1.2–)4–9 cm, bases cuneate, margins usually coarsely to shallowly serrate, rarely subentire (flat), abaxial faces puberulent to tomentulose, gland-dotted.

2–20 cm.

0.3–10 cm.

hemispheric or broader, 15–40(–200+) mm diam.

(13–)17–30(–100+);

laminae 25–50 mm.

14–20;

laminae 23–40 mm.

150+(–1000+);

corollas 5–8 mm (throats ± bulbous at bases), lobes usually reddish, sometimes yellow;

anthers brownish to black, appendages yellow or dark (style branches yellow).

100+;

corollas 5–6 mm, lobes yellow;

anthers dark brown to black, appendages yellow.

20–30(–100+), ovate to lance-ovate, 13–25 × (3–)5–8 mm, (margins usually ciliate) apices abruptly narrowed, long-acuminate, abaxial faces usually hirsute to hispid, rarely glabrate or glabrous, usually gland-dotted.

25–30 (loose, spreading), lance-linear, 10–14 × 1.5–2.5 mm (subequal), (margins ± ciliate) apices attenuate, abaxial faces glabrous or puberulent, not gland-dotted.

1–9.

3–15+.

(3–)4–5(–15) mm, glabrate;

pappi of 2 lanceolate scales 2–3.5 mm plus 0–4 obtuse scales 0.5–1 mm.

3–4 mm, glabrate;

pappi of 2 aristate scales 1.9–2.5 mm.

9–11 mm, 3-toothed (middle teeth long-acuminate, glabrous or hispid).

7–8 mm, entire or 3-toothed (apices acuminate, ± hairy).

-lucres broadly hemispheric, 15–25 mm diam.

= 34.

= 34.