Flora of North America species comparison

stems prostrate or ascending to erect, green when young (± concealed by tomentum), becoming tan to brown, moderately branched, densely floccose-tomentose, eglandular.

erect to ascending, green, becoming tan, branched, stipitate-glandular.

ascending;

blades elliptic or oblanceolate (flat), 6–15 × 2.5–5 mm, midnerves prominent, apices acute (often curved downward), faces densely silvery white floccose-tomentose, eglandular;

fascicles absent.

ascending;

blades obovate to spatulate (flat), 10–30 × 4–12 mm, midnerves evident (1–2 collateral nerves sometimes present, abaxial reticulum of secondary veins often evident), (margins often undulate) apices obtuse, apiculate, faces densely stipitate-glandular;

axillary fascicules usually absent.

1–5 mm (tomentose, bracts 0–3, phyllary-like).

1–7 mm (stipitate-glandular).

obconic, 9–12 × 3–4 mm.

obconic, 6–8 × 4–7 mm.

0.

4–9;

laminae elliptic, 3.5–6 × 1.2–1.8 mm.

4–9;

corollas ca. 9 mm.

9–15;

corollas 6.2–6.8 mm.

11–15 in 2–3 series, lanceolate or elliptic to oblanceolate, 1.5–5 × 0.8–1.3 mm, subequal, outer herbaceous or herbaceous-tipped, inner mostly chartaceous or herbaceous-tipped, midnerves conspicuous, raised, (margins: outer herbaceous, entire, floccose-tomentose, inner narrowly scarious, minutely lacerate) apices acute to acuminate, outer abaxial faces floccose-tomentose, inner glabrate.

22–28 in 4–6 series, tan, ovate to elliptic, 1–6 × 0.5–1.2 mm, strongly unequal, mostly chartaceous, midnerves evident, (margins narrowly membranous, entire or minutely lacerate) apices acute to acuminate, abaxial faces mostly stipitate-glandular, resinous.

usually borne singly, sometimes (2–3) in racemiform arrays (5–20 mm wide).

in cymiform to racemiform arrays (1–3 cm wide).

tan to brown, narrowly oblanceoloid, 5–7 mm (5-ribbed), densely sericeous;

pappi tan, 8–9 mm.

tan to reddish brown, columnar, 3.5–4.5 mm [ribs unknown], villous;

pappi tan, 4–5.5 mm.

= 36.