Flora of North America species comparison

erect, stramineous, glabrous (branched distally).

blades oblong to obovate, 30–50(–80) mm, lengths mostly 2–4 times widths, bases ± clasping, margins dentate (teeth apiculate to setose), apices rounded, faces glabrous, obscurely, if at all, gland-dotted.

broadly urceolate, 10–15 × 15–25 mm.

25–45;

laminae 10–15+ mm.

in 3–5 series, spreading to appressed, subulate to linear-lanceolate, apices recurved to straight, attenuate, slightly to moderately resinous.

borne singly or in open to crowded, corymbiform arrays.

whitish to grayish, 2–4 mm, apices smooth or minutely coronate, faces smooth or striate;

pappi (persistent or tardily falling) of 25–40 barbellate bristles 3–7+ mm subtending 8–15+ barbellate, setiform awns or subulate scales 7–10 mm (the longer surpassing disc corollas).

= 12.