Flora of North America species comparison

1 or 2–5 (often scapiform), loosely clustered, glabrous or leaf axils sparsely hairy.

1 or 2–5+, clustered, lanate- or arachno-tomentose or glabrescent.

(and proximal cauline) petiolate;

blades obovate to ovate or sublyrate, 30–60+ × 10–40+ mm, bases tapering, margins deeply dissected or pinnatifid, ultimate margins crenate to crenate-dentate.

(often abaxially cyanic) petiolate (petioles hairy to glabrate);

blades ovate to lanceolate or narrowly lanceolate, 20–60+ × 10–30+ mm, bases abruptly contracted to tapering, margins subentire or denticulate to subserrate (abaxial faces usually tomentose, adaxials frequently glabrate).

abruptly reduced or 0 (sessile; ovate to obovate, dissected or pinnatifid).

gradually or abruptly reduced (proximal petiolate, similar to basals; mids and distals sessile, lanceolate, entire).

inconspicuously bracteate or ebracteate, glabrous.

conspicuously bracteate, usually hairy.

5 or 8;

corolla laminae 5–10 mm.

(5–)8 or 13;

corolla laminae 4–10 mm.

20–30+;

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

40–60+;

corolla tubes 1.5–2.5 mm, limbs 3.5–4.5 mm.

(8–)13, light green (tips yellowish), 4–7 mm, glabrous.

13 or 21, green or yellowish, 4–7+ mm, tomentose to glabrescent.

0 or inconspicuous.

conspicuous.

4–10+ in subumbelliform cymiform arrays.

3–20+ in open or compact, corymbiform to subumbelliform arrays (subtended by smaller arrays arising from leaf axils).

1–1.5 mm, glabrous;

pappi 4–4.5 mm.

1.5–2.5 mm, usually hirtellous on ribs, sometimes glabrous;

pappi 5–6+ mm.

= 40.

= 44, 46, 92.