Flora of North America species comparison

moderately to densely strigoso-hirtellous.

puberulent (at least distally, sometimes glabrous proximally).

basal and proximal cauline 1-nerved, narrowly oblanceolate to linear-oblanceolate, 90–180 × 2–4(–7) mm, gradually or abruptly reduced distally, essentially glabrous (proximal margins sparsely ciliate).

basal and proximal cauline 1-nerved, elliptic- to oblanceolate-spatulate, 120–300 × 25–50(–55) mm, abruptly, gradually, or little reduced distally, essentially glabrous, weakly, if at all, gland-dotted.

(divergent-ascending, initially diverging at angles of 45–90°) 10–25(–30) mm.

usually (ascending) 10–50 mm.

turbinate-campanulate, (5–)6–7.5 × 5–7 mm.

campanulate to turbinate-campanulate, 11–15 × (12–)15–22(–25) mm.

7–12;

corolla tubes pilose inside.

19–80;

corolla tubes usually pilose inside, sometimes glabrous (Arkansas, Illinois, Missouri).

in (2–)3–4(–5) series, broadly obovate (outer) to broadly oblong-obovate, strongly unequal, sparsely strigoso-villous (outer) or essentially glabrous, margins with (pinkish purple) hyaline borders, sometimes slightly erose, usually densely ciliate, apices rounded to subtruncate.

in (3–)4–5 series, (erect or outer sometimes spreading-reflexing) oblong-obovate to broadly obovate (not bullate), unequal, glabrous or minutely puberulent, margins usually with relatively narrow, hyaline borders, apices broadly rounded.

in loose, (columnar) racemiform arrays.

in racemiform arrays.

2.5–2.8 mm;

pappi: lengths equaling or surpassing corollas, bristles barbellate.

4.5–6(–6.5) mm;

pappi: lengths ± equaling corollas, bristles barbellate.

globose to depressed-globose.

subglobose.