Flora of North America species comparison

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

light brown to gray-green (woody, somewhat pliable, leafy), persistently canescent to glabrescent.

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).

deciduous, whitish gray or green to dark gray-green;

blades narrowly elliptic to lanceolate, 1.5–8 × 0.2–1 cm, usually entire, sometimes irregularly lobed, sparsely to densely hairy.

globose, 2–3 × 2–3.5(–6) mm.

(subtended by green, leaflike bracts) narrowly to broadly campanulate, 3–4 × 2–5 mm.

pistillate 6–25; functionally staminate 8–20;

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

4–20;

corollas 2–3 mm, resinous (style branches ellipsoid, to 2.3 mm, exsert, gland-dotted).

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

ovate or lanceolate (scarious margins nearly invisible), densely canescent.

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

in (congested, leafy) paniculiform arrays 10–20 × 0.2–7 cm.

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

(light brown) 1–2.3 mm, resinous.

= 18.