Flora of North America species comparison

relatively numerous, erect, brown, mostly simple (brittle, bases woody) canescent or glabrate.

1, erect, often reddish, simple (finely striate), glabrous.

cauline, grayish green;

sessile (proximalmost short-petiolate);

blades triangular to ovate, 1–5 × 1–3 cm, 2–3-pinnatifid (lobes 0.5–1 mm wide, acute), faces pubescent (abaxial) or hairy to glabrate (adaxial).

cauline, green or yellow-green (sessile);

blades broadly lanceolate to ovate, 4–10(–13) × 1.5–4 cm, 1–2-pinnately lobed (ultimate lobes coarsely toothed), faces glabrous.

spheric, 1.5–2(–3) mm.

globose, 2–4 × (1.5–)2–4 mm.

pistillate 10–12;

bisexual 40–45;

corollas pale yellow, 0.2–0.3 mm, sometimes gland-dotted (stigma lobes relatively short, not emerging from tubes, short-ciliate).

pistillate 6–25;

bisexual 15–40;

corollas pale yellow, ca. 2 mm, glabrous.

(subequal) linear, hairy.

(green) broadly elliptic to obovate, glabrous.

(nodding) in paniculiform arrays 10–22 × 2–4 cm.

(erect, subsessile) in (leafy) paniculiform to spiciform arrays 12–35(–40) × 2–4 cm (lateral branches relatively short).

ellipsoid (angled), 0.1–0.2 mm, glabrous.

ellipsoid (4–5-nerved), 0.2–0.9 mm, glabrous.

= 18.

= 18.