Flora of North America species comparison

opposite (proximal) or alternate (distal);

petioles 10–55 mm;

blades ovate or rhombic-ovate to lance-ovate or lanceolate, 3.5–12.5 × 1–8 cm, margins serrate or serrulate, faces strigose.

opposite (proximal) or alternate (distal);

petioles 1–8 mm;

blades ovate to deltate-ovate or lanceolate (distal), 2–10 × 1.3–7 cm, margins serrate or serrulate, faces strigose.

3–14 cm.

1–15 cm.

11–18 × 7–10 mm.

11–15 × 7–15 mm.

10–14;

tubes 1 mm, laminae 7–15 mm.

6–8;

tubes 1.5–2 mm, laminae 9–19 mm.

50+;

corollas 3–4 mm (staminal filaments hairy).

40+;

corollas 5.5–6.6 mm (staminal filaments glabrous).

usually 3–9+ in ± corymbiform arrays.

borne singly or 2–9 in ± corymbiform arrays.

3.5–3.8 mm, ± strigose;

pappi of 2 lacerate, aristate scales 2.2–2.8 mm plus 2–4 lacerate scales 0.5–0.7 mm.

5–6.5 mm, ± strigose;

pappi of 2 lacerate, aristate scales 5–5.5 mm plus 2–4 lacerate scales 0.5–1.3 mm.

apices abruptly narrowed to acuminate or spatulate (phyllary bases broad, indurate, apices herbaceous).

apices gradually narrowed.

6.5 mm, apices prominently cuspidate.

8–11 mm, apices acuminate, shortly cuspidate.

= 34.

= 34.