Flora of North America species comparison

1 or 3–5, clustered (often scapiform), usually floccose, lanate-tomentose, or canescent, sometimes glabrate.

(either of two forms): usually (1) sessile, sometimes petiolate;

blades narrowly lanceolate to elliptic, 15–40+ × 5–25 mm, bases tapering, margins entire or dentate toward apices (often revolute), sometimes (2) petiolate;

blades ovate to orbiculate, 10–20 × 5–15 mm, bases tapering to abruptly contracted, margins entire or wavy, sometimes dentate toward apices.

abruptly reduced (bractlike).

inconspicuously bracteate, glabrous or densely hairy.

0, 8, or 13;

corolla laminae 5–10 mm.

30–50+;

corolla tubes 2.5–3.5 mm, limbs 3–4 mm.

13 or 21, green (tips sometimes cyanic), 4–10 mm, glabrous or hairy.

conspicuous (bractlets often cyanic).

1–5(–8) in cymiform to subumbelliform arrays.

1.5–2 mm, glabrous;

pappi 5–6 mm.

= 44, 46.