Flora of North America species comparison

erect, usually hispid.

(green or purplish) 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.

cauline; alternate;

sessile or subsessile;

blades linear to lance-linear, 8–21 × 0.2–1.2 cm, bases ± attenuate, margins slightly serrulate to subentire (flat), abaxial faces glabrate, gland-dotted.

2–20 cm.

2–6 cm.

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

campanulate, 10–18 mm diam.

(13–)17–30(–100+);

laminae 25–50 mm.

10–20;

laminae 28–35 mm (apices often bifid).

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 5.5–6 mm, lobes reddish;

anthers dark, appendages dark (style branches 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.

40–50, linear to lance-linear, 12–20 × 1.8–2 mm, (margins ciliate) apices long-attenuate, abaxial faces glabrous or glabrate, not gland-dotted.

1–9.

6–15+.

(3–)4–5(–15) mm, glabrate;

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

4–6 mm, glabrous;

pappi of 2 aristate scales 3–3.6 mm plus 2–8 lacerate scales 0.3–0.5 mm.

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

8–10 mm, entire or weakly 3-toothed (apices greenish, ± hirsute).

= 34.

= 34.