Flora of North America species comparison

terete, glabrous.

terete, hirsute, hispid, or scabrous.

basal persistent, petiolate;

cauline alternate, petiolate or sessile;

blades cordate, deltate, lanceolate, ovate, or sagittate, 3–40 × 1–40 cm, sometimes (proximal) pinnately lobed, bases attenuate, cordate, hastate, round, or truncate, ultimate margins coarsely toothed or entire, apices acuminate, acute, or obtuse, faces glabrous or scabrous.

basal persistent, petiolate or sessile;

cauline petiolate or sessile;

blades lanceolate, linear, ovate, or rhombic, 4–60 × 1–30 cm, usually (proximal) 1–2-pinnately lobed, bases attenuate to truncate, ultimate margins unevenly toothed or entire, apices acute, faces hirsute, hispid, or scabrous.

17–29;

corollas yellow.

27–38;

corollas yellow.

120–140;

corollas yellow.

100–275;

corollas yellow.

23–33 in 2–3 series, outer appressed, apices obtuse to acute, abaxial faces glabrous.

25–45 in 2–3 series, outer reflexed or appressed, apices acuminate to caudate, abaxial faces hispid to scabrous, ± stipitate-glandular.

7–13 × 4–10 mm;

pappi 0–1 mm.

10–18 × 6–12 mm;

pappi 1–3 mm.

= 14.