Flora of North America species comparison

usually 1, erect.

basal and cauline; alternate;

petiolate (petiole bases dilated, ± sheathing stems);

blades (basal and proximal largest, cauline smaller distally) palmately [palmati-pinnately] nerved, orbiculate to reniform [elliptic, lanceolate, oblanceolate, ovate], margins dentate [denticulate, serrate, dissected], faces glabrous or sparsely pilosulous (mostly on nerves) [glaucous;

arachno-tomentose].

cylindric to campanulate, [3–]16–28 mm diam.

flat to convex, smooth, epaleate.

[0 or 1–7] 8–14+, pistillate, fertile;

corollas (laminae prominent, showy) orange to orange-yellow or brick-red [yellow].

[5–]12–100+, bisexual, fertile;

corollas orange-yellow to orange, becoming brownish [yellow], tubes longer than cylindric throats, lobes 5, recurved, lance-linear;

style branches: stigmatic areas continuous, apices truncate or rounded-truncate.

persistent, [5–]8–13+ in 1–2 series, erect, distinct (margins interlocking) [connate at bases], mostly oblong or lanceolate to linear, subequal, margins usually ± scarious (tips greenish or reddish, not blackened).

0 [1–2+ bractlets].

radiate [discoid], in corymbiform [racemiform or spiciform] arrays.

(stramineous to brownish) ± ellipsoid [cylindric or fusiform], 5[–10]-ribbed or -nerved, glabrous;

pappi persistent (fragile), of 40–100+, reddish [sordid, brownish, purplish], barbellate to barbellulate bristles ([shorter than] longer than cypselae).

= 30.