Flora of North America species comparison

relatively numerous, erect, green to brown or reddish brown, somewhat woody, glabrous.

1–3, erect or ascending, white, simple (stout), densely tomentose to floccose.

proximal blades bright green and glabrous or gray-green and sparsely hairy, 5–8 cm;

cauline blades bright green (gray-green in desert forms), linear, lanceolate, or oblong, 1–7 × 0.1–0.5(–0.9) cm, mostly entire, sometimes irregularly lobed, acute, usually glabrous, sometimes glabrescent (deserts).

basal and cauline (petiolate), silver-gray;

blades oblanceolate, (proximalmost) 3–10 × 1–5 cm, pinnatifid (lobes relatively broad, rounded; distal leaves, on flowering stems, smaller), faces densely tomentose.

globose, 2–3 × 2–3.5(–6) mm.

broadly campanulate, 5–8 × 6–7 mm.

pistillate 6–25; functionally staminate 8–20;

corollas pale yellow, 1.8–2 mm, eglandular or sparsely glandular.

pistillate 12–16;

bisexual 25–30;

corollas yellow (narrow or tubular), 3.2–4 mm (unusually large), glabrous or sparsely hairy (style branches prominent, erect, blunt).

(light brown, broadly lanceolate, membranous): margins broadly hyaline, glabrous.

broadly lanceolate, tomentose.

in terminal or lateral, leafy, paniculiform arrays 15–45 × 6–30 cm; appearing ball-like on slender, sometimes nodding peduncles.

(erect or spreading, peduncles 0 or to 3 mm) in dense, paniculiform, racemiform, or spiciform arrays 8–20 × 2–4 cm.

oblong, 0.5–0.8 mm, faintly nerved, glabrous.

(dark brown) narrowly oblong-linear (slightly flattened, smooth), 3–4 mm, glabrous.

= 18.

= 18.