Flora of North America species comparison

erect, green becoming whitish, glabrous, ± resinous.

ascending, green becoming tan, glabrous, resinous.

ascending to spreading;

petiolate;

blades mostly 3-nerved (nerves reticulate, raised), elliptic to oblanceolate or obovate, 20–80 × (7–)10–25 mm (mostly larger basally, ± reduced distally), flat, apices acute, faces glabrous, gland-dotted.

ascending to spreading;

sessile;

blades with faint midnerves, linear-filiform, 10–40 × 0.5–2 mm, flat or sulcate, sometimes twisted, margins glabrous or hirtellous, apices acute to apiculate, faces glabrous.

cylindric to turbinate, 6.5–8.8 × 1.8–2.5 mm.

cylindric to turbinate, 5–8 × 1.5–2.5 mm.

5(–6);

corollas 4–5 mm, lobes 0.8–1.2 mm;

style branches 2.2–2.7 mm, appendages 0.8–1.2 mm.

4–5;

corollas 3.7–5.5 mm, lobes 0.8–1.5 mm;

style branches 2–2.4 mm (exserted beyond spreading corolla lobes), appendages 0.5–0.8 mm (shorter than stigmatic portion).

19–24(–30) in 3–4 series, in vertical ranks, tan with apical green spot, midnerves evident distally, ovate to lanceolate, 1.5–6 × 0.7–1.5 mm, unequal, chartaceous, apices obtuse to acuminate, flat, faces glabrous.

15–20 in 3–4 series, often in vertical ranks or spirals, mostly tan, ± greenish apically, midveins rarely visible, ovate or oblong to elliptic, 1.5–5 × 0.8–1.4 mm, unequal, mostly chartaceous, sometimes ± keeled, apices acuminate to cuspidate (cusp often recurved or falcate), faces glabrous or with a few long, crooked hairs proximally and near margins, resinous.

in condensed, cymiform arrays, not overtopped by leaves.

in densely cymiform arrays (4 cm wide), distal leaves reaching into but not overtopping arrays.

cylindric, 2.5–3 mm, faces hairy;

pappi tan, 3.1–3.9 mm.

reddish brown, turbinate, 3–4 mm, faces densely hairy;

pappi tan, 3.7–5 mm.

= 18.

= 18.