Flora of North America species comparison

erect, usually strigose or hispid to glabrate.

erect (leafy), ± hispid to glabrate.

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).

cauline; alternate;

petioles 7–12 cm;

blades deltate-ovate, 7–14 × 7.5–12.3 cm, bases usually ± cordate, sometimes truncate, margins subentire to serrulate, abaxial faces strigose, not gland-dotted.

4–13 cm.

10–40 cm.

hemispheric, 10–24 mm diam.

± hemispheric, (23–28 ×) 10–14 mm.

14–20;

laminae ca. 8–11 mm.

21–31;

laminae 29–39 mm.

40+;

corollas 4.8–5.8 mm, lobes reddish;

anthers purplish, appendages reddish (style branches yellow).

150+;

corollas 6–6.5 mm, lobes reddish;

anthers dark, appendages purplish (style branches reddish).

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.

25–35, lanceolate, 14–25 × 2.3–4 mm (surpassing discs), apices long-attenuate, abaxial faces strigillose to hispid.

1–9.

1–5.

2.7–3.5 mm, glabrate;

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

4–5 mm, strigillose to glabrate;

pappi of 2 aristate scales 2.8–3.2 mm.

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

9–10 mm, 3-toothed (middle teeth ± ciliate or bearded, hairs whitish, 0.3–0.6 mm).

= 34.

= 34.