Flora of North America species comparison

erect, usually hispid.

erect, usually strigose or hispid to glabrate.

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 or alternate;

sessile;

blades (green or grayish, 1- or 3-nerved) lanceolate, 5–9 × 0.5–3.5 cm, bases ± cuneate, margins entire or irregularly toothed to lobed, faces strigose to strumose, gland-dotted (adaxial sometimes glaucous).

2–20 cm.

4–13 cm.

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

hemispheric, 10–24 mm diam.

(13–)17–30(–100+);

laminae 25–50 mm.

14–20;

laminae ca. 8–11 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).

40+;

corollas 4.8–5.8 mm, lobes reddish;

anthers purplish, appendages reddish (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.

16–21, lanceolate, 6–7.5 × 1.8–2.5 mm (often subequal), (margins ciliate) apices acute, abaxial faces hispidulous or strigose to glabrate, gland-dotted.

1–9.

1–9.

(3–)4–5(–15) mm, glabrate;

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

2.7–3.5 mm, glabrate;

pappi of 2(–3) aristate scales 1.4–2.5 mm.

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

7–7.8 mm, entire or 3-toothed (apices obtuse to acute, hispid-ciliate to glabrate).

= 34.

= 34.