OregonFlora species comparison

1–many, decumbent to ascending or erect; simple to well branched, glabrous to villous-tomentose; hispid, or glandular-pubescent.

lanceolate to elliptic or linear;

margins entire to mucronate-dentate or serrate;

tips acute or acuminate, usually mucronate;

surfaces glabrous to villous-tomentose; hispid; and/or stipitate-glandular, petiolate.

usually similar to basal, alternate, sometimes reduced upwards, sessile or petiolate, sometimes auriculate-clasping.

corymb-, panicle-, raceme-, or spike-like arrays, or heads solitary;

bracts present or not.

campanulate, hemispheric, or globose.

flat to convex;

paleae 0.

pistillate;

rays equaling to well exceeding involucres, yellow;

lobes minute or absent.

bisexual;

corollas tubular, narrowed in lower half, exceeding involucres, yellow;

surfaces glabrous;

lobes 5; erect;

stamens slightly exserted;

stigmas exserted.

in 2–6 equal or unequal series; erect, herbaceous or scarious basally and marginally; ovate to lanceolate or linear;

tips acute or acuminate;

surfaces glabrous to villous-tomentose, hispidulate, or stipitate-glandular; midribs evident.

linear to oblong, tapering to bases, glabrous or sericeous, ribbed or angled, pappi of numerous brownish, persistent bristles in 1 series.

disciform or radiate.