Flora of North America species comparison

erect, usually hispid.

erect to ascending, 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; opposite;

sessile;

blades (bluish green) lanceolate, 2–7 × 0.5–1.3 cm, bases cuneate, margins entire (undulate), faces glabrous (glaucous).

2–20 cm.

2–7.5 cm.

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

hemispheric, 9–18 mm diam.

(13–)17–30(–100+);

laminae 25–50 mm.

10–14;

laminae 7–9 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).

30+;

corollas 3–3.5 mm, lobes yellow;

anthers reddish brown, appendages brownish.

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.

16–19, lance-ovate, 3.5–7 × 2–2.8 mm, (margins ciliate) apices acute, abaxial faces glabrate, sparingly gland-dotted.

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.

2.8–3.2 mm, glabrous;

pappi of 2 deltate, erose scales 1–1.7 mm.

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

5.5–6.5 mm, 3-toothed (apices acute, gland-dotted).

= 34.

= 34, 51.