Flora of North America species comparison

usually 1, weakly erect, spreading, or clambering (branched).

[basal and/or] cauline; alternate;

petiolate (petiole bases sometimes expanded, weakly clasping) or sessile;

blades pinnately nerved, ovate or elliptic to rhombic [oblanceolate or lanceolate to linear], margins [entire or subentire] toothed [coarsely pinnate], faces velutinous to villous [glabrous, hispid, puberulent].

cylindric to campanulate [urceolate], [3–]8–12[–15+] mm diam.

flat, foveolate (knobby in fruit), epaleate.

0.

[20–]30–80+, bisexual, fertile;

corollas yellow or orange to brick-red [purplish, ochroleucous, or white], tubes longer than funnelform throats, lobes 5, erect or reflexed, deltate to lanceolate;

style branches stigmatic in 2 lines, apices with (orange or reddish) ± filiform appendages (hispidulous, 1–2 mm).

persistent, [8] ± 13 in (1–)2+ series, erect (reflexed in fruit), distinct (margins interlocking), linear, subequal, margins scarious.

of 3–8+ bractlets.

discoid, usually in corymbiform or paniculiform arrays, sometimes borne singly.

± columnar or prismatic, 5–10-angled or -ribbed, glabrous [hairy];

pappi persistent or fragile, of 60–80+, white, smooth or barbellulate bristles.

= 10.