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 or alternate;

sessile or subsessile;

blades ovate (and shallowly to deeply lobed, lobes 3–9, ± linear) or linear, 1.5–10.8 × 1–9 cm, ultimate margins entire (revolute), faces: abaxial loosely to densely strigillose (canescent) and gland-dotted, adaxial densely strigose to glabrate.

3–14 cm.

2–5 cm.

11–18 × 7–10 mm.

5–12 × 7–9 mm.

10–14;

tubes 1 mm, laminae 7–15 mm.

13–18;

tubes 0.9–1.1 mm, laminae 7–12 mm.

50+;

corollas 3–4 mm (staminal filaments hairy).

100+;

corollas 3.3–4.2 mm.

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

usually 3–9+ in ± corymbiform arrays.

usually borne singly.

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.

2–3 mm, glabrous;

pappi 0.

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

6.5 mm, apices prominently cuspidate.

(oblong-rectangular) 4–5 mm, apices abruptly acuminate.

= 34.

= 34, 68.