Flora of North America species comparison

1–5, ascending to erect, glabrous.

1, ascending to erect (straight), bluish yellowish green, often red-tinged, ± succulent, glabrous.

thin, margins entire, apices acute, faces glabrous;

basal withering by flowering, petiolate, blades linear to narrowly lanceolate, 100–150 × 5–10 mm, attenuate or cuneate, margins entire, apices acute, faces usually glabrous;

proximalmost cauline usually withering by flowering, sessile, blades linear to narrowly lanceolate or oblanceolate, 50–90 × 5–8(–20) mm, bases attenuate or cuneate;

distal sessile, blades 40–80 × 5–8(–15) mm, bases cuneate.

bluish (green) thin, sometimes ± fleshy, margins usually entire, sometimes serrulate, strigoso-ciliate to scabrous, midribs conspicuous, apices acute to short-acuminate, faces glabrous;

basal withering by flowering, petiolate, blades spatulate, 15–205 × 1.5–9 mm, bases attenuate;

proximal cauline usually withering by flowering (with clusters of smaller leaves in axils, often elongating into branches);

cauline sessile, blades linear-oblanceolate, (10–)30–80(–150) × 1–4(–9) mm, gradually reduced distally, bases slightly dilated and clasping to rounded.

glabrous or sparsely villous, bracts 5–15, sessile, lance-linear to lanceolate, margins sometimes spiculate.

campanulate, 5–8 mm.

narrowly campanulate, 5–7(–11) mm.

20–45+;

corollas violet, laminae 10–18 × 1–2 mm.

0.

75–95+ in 4–5+ series;

laminae 0 (corolla tubes ± 2 mm, shorter than style branches).

35–70+;

corollas yellow, 5–7 mm, lobes triangular, 0.8–1.5 mm.

± 14;

corollas whitish turning pink, ± ampliate, tubes slender, longer than narrowly funnelform limbs, 3.5–5 mm, lobes narrowly triangular, ± 0.2 mm.

in 4–5 series, narrowly oblong (outer) to linear (inner), unequal (outer at least 3 times longer than wide), bases (outer) indurate 1/2 or less, margins scarious proximally, eciliate or ciliolate, green zones lanceolate to elliptic, apices acute to acuminate, faces glabrous.

in 3–4 series, loose, linear to narrowly oblanceolate, subequal or outer sometimes longer, bases scarious, margins narrowly scarious proximally (outer), scabrous, green zones foliaceous (outer and mid) to lanceolate (inner), apices acute (rarely obtuse), mucronulate, faces glabrous.

in paniculiform arrays, branches some at least 25 cm.

(disciform) in ± dense, narrow to pyramidal, paniculiform to racemiform arrays, branches decumbent (proximal) to ascending (distal);

peduncles 0–1 cm, glabrous, bracts linear-lanceolate to linear, crowding heads.

brown, cylindric to obovoid, not compressed, 3–4 mm, 2–4-nerved, faces glabrous or hairy;

pappi white, 5–7 mm.

purple or grayish with purple streaks, obovoid to oblong-obovoid, ± compressed, 1.5–2.5 mm, 2–4-nerved (faint), faces hirsuto-strigose;

pappi white or pinkish, 4–6 mm.

= 16, 64.

= 14.