Flora of North America species comparison

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

1–3+, ascending to erect (stout), branched from bases and distally, ± leafy, glabrous.

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 to oblanceolate, pinnately lobed (lobes 2–6 pairs), not fleshy, ultimate margins entire or dentate, faces glabrous;

distal not notably reduced (narrowly ovate with 5–10 narrow teeth or lobes).

± campanulate, 7–10 × 5–6+ mm.

narrowly to broadly campanulate, 9–12 × 4–10 mm.

not bristly.

usually not bristly.

16–88;

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

outer ligules exserted 5–8 mm.

39–133;

corollas light yellow, 12–19 mm;

outer ligules exserted 6–11 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.

31–49 in 5–6+ series (midstripes green or reddish), broadly ovate (outermost) to lance-oblong or lance-linear, unequal, hyaline margins 0.6–1 mm wide, faces glabrous.

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

0.

± 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.

± prismatic or columnar, 1.3–2.1 mm, ribs extending to (and just beyond) apices, 5 more prominent than others;

pappi persistent, of 15–20, irregular, ± deltate teeth (often hidden by apices of cypselae) plus 0(–1) bristles.

70–100% 3-porate.

70–100% 4-porate.

= 14.

= 28.