Flora of North America species comparison

(1–)3–8, ± decumbent or spreading-ascending, branched proximally and distally, glaucous or glabrous.

1–4, erect to ascending, usually branched proximally and distally, glabrous (usually glaucous).

proximal elliptic to oblong-oblanceolate, sometimes pinnately lobed (lobes 2–4+ pairs, oblong to triangular, unequal, apices acute), not fleshy, ultimate margins usually dentate, faces glabrous;

distal reduced (narrowly triangular to linear or filiform, margins dentate or entire).

proximal obovate, usually pinnately lobed (lobes 3–8 pairs, ± equal, bases white-hairy), ± fleshy, ultimate margins dentate, faces glabrous;

distal reduced (sometimes 2–4-dentate near bases).

± campanulate, 7–10 × 5–6+ mm.

± campanulate, 5–8 × 2–6 mm.

not bristly.

not bristly.

16–88;

corollas yellow (usually with red or purplish abaxial stripes), 6–14 mm;

outer ligules exserted 5–8 mm.

30–65;

corollas white, 5–8 mm;

outer ligules exserted 1–3 mm.

13–25+ in 2–3 series, lance-oblong or lanceolate to lance-linear, subequal, hyaline margins 0.05–0.3 mm wide, faces glabrous.

18–22+ in 2–3 series, oblong or lanceolate to linear, hyaline margins 0.05–0.2 mm wide, faces glabrous.

of 5–12, ovate to lanceolate bractlets, hyaline margins 0.05–0.2 mm wide.

of 8–12+, ovate to lanceolate bractlets, hyaline margins 0.05–0.3 mm wide.

± cylindric, 1.8–2.4 mm (distal 0.3 mm slightly expanded, cupped, smooth), ribs not extending to apices, ± equal;

persistent pappi of 12–15, ± deltate teeth (often hidden within cups at apices of cypselae) plus 1–2 bristles.

± cylindro-funnelform or weakly prismatic, 1.2–2 mm, ribs extending to apices, ± equal or 5 more prominent than others;

pappi 0 or crenate crowns (0.01–0.1 mm).

70–100% 3-porate.

70–100% 3-porate.

= 14.

= 14.