Flora of North America species comparison

decumbent to erect, glabrous, hirsute, or puberulent.

erect, hispid to hirsute.

mostly cauline; mostly alternate;

petioles 1–7 cm;

blades deltate-ovate, lance-ovate, or ovate, 2.5–14 × 1.8–13 cm, bases cordate to truncate or broadly cuneate, margins subentire to serrate, abaxial faces glabrate to hispid, not gland-dotted.

mostly cauline; mostly alternate;

petioles 1–4 cm;

blades lance-linear or lance-ovate to ovate, 3–15 × 2–6 cm, bases cuneate to truncate, margins usually serrate, abaxial faces sparsely hirsute, gland-dotted.

9–50 cm.

3–13 cm.

hemispheric, 10–22 mm diam.

hemispheric, 17–25 mm diam.

11–20;

laminae 12–23 mm.

12–17;

laminae 14–20 mm.

30+;

corollas 4.5–5 mm, lobes usually reddish, sometimes yellow;

anthers dark, appendages dark (style branches usually reddish, rarely yellow).

75+ (discs usually 2+ cm diam.);

corollas 5–7 mm, lobes usually reddish;

anthers dark, appendages dark (style branches reddish).

20–30, lanceolate, 8–17 × 1–3 mm, apices acute to long-attenuate, abaxial faces glabrous or ± hispid, not gland-dotted.

10–18, usually lanceolate to lance-ovate, 9–27 × (3–)3.5–5 mm (often surpassing discs), apices gradually attenuate, abaxial faces hirsute.

1–3.

1–3.

2.5–3.2 mm, glabrous or sparsely hairy;

pappi of 2 lanceolate or lance-linear scales 1.2–2.5 mm.

3.5–4.5 mm, glabrate;

pappi of 2 lanceolate scales 1.7–3 mm.

7.5–8 mm, apices 3-toothed (middle teeth acuminate, usually glabrous or hispid, sometimes ± villous or bearded).

9.5–10.5 mm, 3-toothed (middle teeth subulate, surpassing discs, apices glabrous).

= 34.