Flora of North America species comparison

1 or 2–5, clustered, usually glabrous, sometimes sparsely floccose-tomentose proximally and in leaf axils.

usually 1 (sometimes more, clustered), glaucous.

(and proximal cauline, relatively thick and turgid) petiolate;

blades spatulate to oblanceolate, or ovate to orbiculate, 20–40+ × 10–30+ mm, bases tapering to abruptly contracted or subcordate, margins entire, crenate, dentate, or weakly lobulate (faces usually glabrous, sometimes hairy).

(and proximal cauline, relatively thick and turgid) petiolate;

blades lanceolate to narrowly oblanceolate, 30–100+ × 10–20+ mm, bases tapering, margins entire or subentire.

gradually to abruptly reduced (± petiolate or sessile; entire or subentire).

gradually reduced (sessile and weakly clasping; lanceolate, entire).

bracteate, glabrous or sparsely tomentose.

conspicuously bracteate, glaucous.

8 or 13;

corolla laminae 5–10 mm.

8–10(–13);

corolla laminae 5–7 mm.

35–60+;

corolla tubes 2–4 mm, limbs 2.5–4 mm.

25–40+;

corolla tubes 2–3 mm, limbs 3–4 mm.

(8–)13 or 21, green (tips sometimes cyanic), 4–7+ mm, glabrous.

(13) 21, green (tips often purple), glabrous.

conspicuous.

conspicuous.

2–20+ in loose, corymbiform or subumbelliform arrays.

12–20+ in open, corymbiform arrays.

1–2.5 mm, glabrous;

pappi 3–6 mm.

1–1.5 mm, glabrous;

pappi 5–6 mm.

= 46, 92.

= 46.