Flora of North America species comparison

mostly 3–8, ascending, brown to gray-green, simple (bases curved, somewhat woody), sparsely to densely tomentose.

relatively few to relatively numerous, erect, gray-green, simple or widely branched, hairy.

cauline, bicolor (± gray-green);

blades narrowly elliptic, 0.1–2.5(–3) × 0.5–1 cm (gradually smaller distally), relatively deeply pinnatifid (lobes 3–5), faces densely tomentose (abaxial) to sparsely hairy (adaxial).

cauline, uniformly gray-green, green, or white, or bicolor (white and green);

blades linear to broadly elliptic, 1.5–11 × 0.5–4 cm, entire or lobed to relatively deeply pinnatifid, faces hairy.

campanulate, 2–2.5(–3) × 1.5–3 mm.

campanulate or turbinate, (1–)2–4(–5) × 2–5(–8) mm.

pistillate 1–5;

bisexual 7–25;

corollas pale yellow, 1–2 mm, glandular-pubescent.

pistillate 5–12;

bisexual 6–45;

corollas yellow, sometimes red-tinged, 1.5–2.8 mm, glabrous.

lanceolate, gray-tomentose.

(gray-green), lanceolate to ovate or obovate (margins narrowly hyaline), densely tomentose.

(usually nodding) in (leafy) paniculiform arrays 10–30 × 3–9 cm (branches erect).

(erect to nodding, peduncles 0 or 2–5 mm) in congested to open (widely branched) arrays.

(light brown) cylindro-elliptic, ca. 0.5 mm, (curved at summits, scarcely nerved), glabrous (shining).

ellipsoid ca. 0.5 mm, (obscurely nerved) glabrous.

= 18.

= 18, 36, 54.