Flora of North America species comparison

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

erect to spreading, green when young, becoming brown, branched proximally, densely floccose-tomentose, eglandular.

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.

ascending;

blades linear (adaxially sulcate), 10–30 × 1–2 mm, midnerves evident, apices acute, faces mostly densely tomentose, stipitate-glandular;

sometimes with axillary leaf fascicles.

1–7 mm (stipitate-glandular).

2–20 mm (usually leafy).

obconic, 6–8 × 4–7 mm.

obconic, 9–11 × 6–9 mm.

4–9;

laminae elliptic, 3.5–6 × 1.2–1.8 mm.

0.

9–15;

corollas 6.2–6.8 mm.

10–22;

corollas 9–11 mm.

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.

20–30 in 2–3 series, green to tan, oblong to lanceolate, 5–10 × 0.8–1.5 mm, subequal, mostly chartaceous, outer herbaceous or herbaceous-tipped, midnerves usually evident, apices acute to acuminate, abaxial faces hairy, stipitate-glandular.

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

borne singly or in cymiform arrays.

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

pappi tan, 4–5.5 mm.

brownish, narrowly oblong, 5–6 mm, densely hairy;

pappi tan, 8–10 mm.

= 36.