Flora of North America species comparison

erect, usually hispid.

(often reddish or purplish) erect, hirsute or villous.

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 0.5–2 cm (broadly winged);

blades lanceolate to ovate, 6.5–20 × 3.2–9 cm, bases gradually narrowed (onto petioles), margins entire or serrate, abaxial faces hirsute to tomentose, gland-dotted.

2–20 cm.

1–3 cm.

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

hemispheric, 15–27 mm diam.

(13–)17–30(–100+);

laminae 25–50 mm.

10–20;

laminae (often light yellow) 18–30 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).

90+;

corollas 8–8.5 mm, lobes yellow;

anthers dark, appendages dark.

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.

20–30 (squarrose to reflexed, at least tips), lanceolate, 10–21 × 3–5 mm (notably surpassing discs), apices acute to attenuate, abaxial faces hispid to villous, densely gland-dotted (at least toward apices).

1–9.

1–5.

(3–)4–5(–15) mm, glabrate;

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

5–7 mm, glabrate;

pappi of 2 aristate scales 2.4–2.6 mm.

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

9–11 mm, 3-toothed (gland-dotted).

= 34.

= 102.