OregonFlora species comparison

1–several from base; erect to decumbent or prostrate; simple or branched; ± floccose-tomentose, glandular or not.

basal and cauline, or mostly cauline, alternate, linear to linear-lanceolate, lanceolate, oblong, or oblanceolate, gradually reduced distally, bases decurrent or not, sometimes clasping;

margins entire, 1-veined;

tips acute or obtuse;

surfaces one or both tomentose, sometimes adaxially stalked-glandular, sessile.

glomerules in corymb- or panicle-like arrays;

bracts present or not.

ovoid or hemispheric.

flat; smooth;

paleae 0.

in 3–10 series; erect in flower, spreading in fruit, chartaceous; inner equal, linear to lanceolate or ovate;

tips acute or obtuse; outer ± equal or gradually shorter; ovate to triangular;

surfaces glabrous or tomentose.

cylindric or fusiform;

surfaces smooth or minutely papillate, pappi of 10–12 equal, deciduous bristles.

disciform.

pistillate;

corollas red- or yellow-tipped.

bisexual;

corollas tubular, linear, yellow to red, minutely 5-lobed.