Flora of North America species comparison

30–50(–80) cm, mostly simple, sparsely tomentose.

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

± white;

blades broadly obovate to oblong, 4–10 × 1.5–4 cm, relatively deeply lobed (lobes, lanceolate, 1/3+ blade lengths, acute), faces tomentose (usually less densely adaxially).

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.

(broadly campanulate), 4–5 × 4–8 mm.

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

pistillate 8–10;

bisexual 20–30;

corollas 1.5–2 mm.

pistillate 5–12;

bisexual 6–45;

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

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

in racemiform arrays 4–7 × 2–4 cm.

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

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

= 18, 36, 54.