Flora of North America species comparison

alternate or opposite;

petioles 3.5–30 mm;

blades broadly ovate, 2.8–9 × 2.3–6.5 cm, margins entire, faces: abaxial sericeous and gland-dotted (and strongly reticulate, not shiny), adaxial sericeous (hair bases slightly enlarged).

mostly alternate;

petioles (0–)3–7 mm;

blades lanceolate to lance-ovate, 1.4–4.3 × 0.6–2.5 cm, margins ± laciniate, faces sparsely strigillose and gland-dotted or resinous (abaxial resinous, shiny).

0.5–5 cm.

0.5–5 cm.

campanulate to hemispheric, 10–15 × 6–9 mm.

hemispheric, 8–12 × 6–9 mm.

8–15;

laminae 7–15 mm.

5–13;

laminae 6–12 mm.

40+;

corollas 3–5.5 mm.

50+;

corollas 3.5–4.6 mm.

18–25, 2.5–5 × 1.2–2 mm.

20–25, 4–8 × 1.8–2.2 mm.

3–9(–25).

(1–)3–9.

2.5–4 mm;

pappi of 2 lacerate, aristate scales 1.5–2.8 mm and 2–6 lacerate scales 0.6–1 mm.

1.7–3.5 mm (± strigose, margins ciliolate);

pappi of 2 lacerate, aristate scales 1–2.5 mm plus 2–6 (easily detached) lacerate-erose scales 0.2–0.5 mm.

oblanceolate, 4–8 mm.

lance-ovate, 4.5–7.3 mm (densely glandular).

= 36.

= 36.