Flora of North America species comparison

minutely hispidulous.

basal and proximal absent at flowering;

cauline blades 1- or 3-nerved, linear to lanceolate, sometimes filiform and fascicled, 1.5–2(–3) mm wide, little reduced distally.

cylindric to cuneate-campanulate, 1.5–2(–3) mm diam.

(2–)3–8;

corollas yellow, 3–5.5 mm.

(2–)3–9 (usually bisexual and fertile, rarely functionally staminate, corollas tubular-funnelform, lobes erect to spreading or recurved, deltate).

(sessile to subsessile in compact glomerules) in dense, flat-topped, corymbiform arrays.

0.8–1.6(–2.2) mm, faces without oil cavities, densely strigoso-sericeous;

pappi of 1–2 series of narrowly oblong- to ovate-lanceolate or obovate scales (readily falling, those of discs 1/3–1/2 corollas, shorter on rays).

apices flat.

= 8, 16, 32.