Flora of North America species comparison

erect, usually hispid.

erect, glabrous (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.

mostly cauline; mostly alternate;

petioles 0–3 cm;

blades (light to dark green, 3-nerved distal to bases), lanceolate, 10–20 × 2.5–6 cm, bases ± cuneate, margins entire or subentire, abaxial faces hispid to hirsute, gland-dotted.

2–20 cm.

(1–)3–15 cm (gland-dotted).

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

broadly hemispheric, 10–25 mm diam.

(13–)17–30(–100+);

laminae 25–50 mm.

12–21;

laminae 15–30 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).

50+;

corollas 6–8 mm, lobes yellow;

anthers reddish to dark, appendages reddish brown.

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.

25–35 (loose), lanceolate, 8–15 × 3–5 mm (notably surpassing discs), (margins sometimes ciliate) apices acute to attenuate, abaxial faces hispidulous to glabrate, gland-dotted.

1–9.

3–10.

(3–)4–5(–15) mm, glabrate;

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

4.5–5 mm, glabrate;

pappi of 2 aristate scales 3–4 mm.

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

10–11 mm, 3-toothed (apices acute, hispidulous).

= 34.

= 102.