Flora of North America species comparison

erect, usually hispid.

(often reddish) erect, hairy.

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 0.7–2.5 cm;

blades lance-linear to lance-ovate or ovate, 3–15 × 0.5–3 cm, bases cuneate, margins usually entire or shallowly serrate, abaxial faces gland-dotted.

2–20 cm.

(1–)3–13(–20) cm.

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

hemispheric, 15–20 mm diam.

(13–)17–30(–100+);

laminae 25–50 mm.

10–13;

laminae 14–20 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 4–6 mm, lobes reddish;

anthers reddish purple, appendages usually purplish (style branches reddish or 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.

12–17, lanceolate, 8–17 × 3–4 mm, apices narrowed gradually, abaxial faces hirsute.

1–9.

1–7.

(3–)4–5(–15) mm, glabrate;

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

(2.5–)3–3.5(–4) mm, glabrate;

pappi of 2 lanceolate scales 1.7–2.7 mm.

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

9.5–10 mm, 3-toothed (middle teeth surpassing discs, apices greenish or yellow-brown, glabrous).

= 34.

= 34.