Flora of North America species comparison

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

3–20+, erect, gray-green, usually simple, sometimes branched (bases woody), densely tomentose.

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).

cauline, bicolor (white and green);

blades linear to lanceolate, 3–12 × 1 cm, margins usually entire, sometimes toothed or lobed, faces densely tomentose (abaxial) or glabrate (adaxial).

globose, 2–3 × 2–3.5(–6) mm.

campanulate, 4–5 × 4–5 mm.

pistillate 6–25; functionally staminate 8–20;

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

pistillate 3–10;

bisexual 8–26;

corollas pale yellow, 1–2 mm, sparsely glandular.

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

ovate-lanceolate (margins hyaline), densely to sparsely tomentose.

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

(peduncles 0 or to 2 mm) in mostly racemiform arrays 8–13 × 1–2 cm.

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

ellipsoid, 0.5–0.8 mm, glabrous.

= 18.

= 36.