Flora of North America species comparison

erect, green to tan, glabrous or villous.

erect, green, tan, or reddish to dark brown, usually glabrous or villous, rarely tomentose.

basal withering by flowering;

cauline margins entire or dentate to pinnately lobed, faces sometimes gland-dotted, abaxial villous to tomentose.

basal withering by flowering;

cauline margins entire or dentate to pinnately lobed, faces gland-dotted, abaxial glabrous or villous to tomentose.

obconic, 4–7 mm.

obconic, (4–)5–8 mm.

10–25;

corollas yellow (occasionally pink or suffused with purple in peripheral florets; tubes with brown-purple band inside);

style-branch appendages truncate-penicillate, 0.1–0.2 mm.

15–30;

corollas yellow (tubes with brown-purple band inside);

style-branch appendages truncate-penicillate, 0.1–0.2 mm.

purple-tipped, faces glabrous or villous, gland-dotted;

inner scarious.

usually green, rarely purple, faces glabrous or villous to tomentose, gland-dotted;

inner ± scarious.

borne singly, at ends of branchlets.

borne singly, at ends of branchlets.

tan, equal to or longer than cypselae.

white to tan, equal to or longer than cypselae.

= 10.