Flora of North America species comparison

relatively numerous, brown or grayish green.

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

± deciduous (by late summer, turning yellow);

blades lanceolate, oblanceolate, or cuneate, 2.5–5.5 × 0.8–1.2+ cm, entire or irregularly 3–6-lobed (lobes to 1/3 blade lengths, 1.5+ mm wide, rounded or acute; leaves of flowering stems usually smaller, entire), faces ± sericeous or tomentose.

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.

ovoid or lanceoloid, (2.5–)4–6(–7) mm.

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

8–18(–27);

corollas 2.5–3.5, glabrous.

pistillate 5–12;

bisexual 6–45;

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

lanceolate, sparsely to densely hairy.

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

(erect) in (leafy) paniculiform arrays 8–15(–25) × 0.5–3(–4) cm.

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

1–1.5 mm, glabrous or resinous.

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

= 18, 36, 54, 72.

= 18, 36, 54.