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.

3–14 cm.

11–18 × 7–10 mm.

10–14;

tubes 1 mm, laminae 7–15 mm.

50+;

corollas 3–4 mm (staminal filaments hairy).

usually 3–9+ 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.

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

6.5 mm, apices prominently cuspidate.

= 34.