Flora of North America species comparison

usually 10+, erect, light brown, simple, usually glabrous.

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

cauline (sessile), bicolor (white and dark green);

blades lanceolate, 5–10(–15) × 1–5 cm (bases strongly tapered, attenuate), coarsely and irregularly lobed, faces tomentose (abaxial) or glabrous (adaxial).

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).

narrowly turbinate or globose, 1.5–2.5 × 1–1.5 mm.

globose, 2–3 × 2–3.5(–6) mm.

pistillate 2–5;

bisexual 2–7;

corollas yellow, 1.5–3 mm, glabrous.

pistillate 6–25; functionally staminate 8–20;

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

(straw-colored to yellow-green, shiny) lanceolate, glabrous or sparsely hairy.

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

(erect) in crowded (proximally leafy), paniculiform or racemiform arrays 17–30 × (2–)4–5 cm (lateral branches stiff, erect).

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

ellipsoid, 0.8–1.5 mm, glabrous.

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

= 18.

= 18.