Flora of North America species comparison

usually 1–15, erect, brown, simple (wandlike, brittle, bases woody), glabrous.

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

cauline (petiolate), bicolor (gray-green and dark green);

blades broadly lanceolate, 3.5–12(–15) × 0.2–10 cm, relatively deeply and coarsely pinnately lobed (lobes 3–7+), faces canescent (abaxial) or glabrous or sparsely hairy (adaxial).

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, 2.5–3.5 × 2–5 mm.

campanulate, 4–5 × 4–5 mm.

pistillate 0;

bisexual 8–30;

corollas pale yellow, 1.5–2.2 mm, resinous-glandular (style branches exsert, truncate, erose).

pistillate 3–10;

bisexual 8–26;

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

(pale green to stramineous) broadly ovate, glabrous or sparsely hairy (receptacles paleate).

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

(erect or nodding, peduncles relatively slender) in open, paniculiform arrays, 15–40 × 3–10 cm (widely branched).

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

(light brown, shiny) ellipsoid, 1–1.2 mm, (4-angled), glabrous or glandular.

ellipsoid, 0.5–0.8 mm, glabrous.

= 18.

= 36.