Flora of North America species comparison

(5–20), gray-green, glabrescent.

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

persistent, gray-green, mostly basal;

proximal blades reduced, mostly less than 1 cm, lobed or entire;

distal blades 1–2 × 0.5–0.8 cm, 1–2-ternately lobed, lobes 1–2 mm wide, apices acute, faces 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).

globose, 3–4 × 3–4 mm.

globose, 2.5–3.5 × 2–5 mm.

pistillate 4–7; functionally staminate 5–9;

corollas yellow, usually red-tinged, 2–3 mm, glabrous.

pistillate 0;

bisexual 8–30;

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

(margins scarious, obscured) white-tomentose.

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

(mostly 6–15, 1 or 3–4 on lateral branches; mostly erect, sessile or pedunculate) in racemiform-paniculiform arrays, 5–8 × 0.5–0.8 cm.

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

(brown) ellipsoid (angled), 0.8–1 mm, (sometimes with white ribs) glabrous.

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

= 18.