Flora of North America species comparison

1–20, erect, brown to gray-green, simple, hairy or glabrescent.

usually 1–5, turning reddish brown, (often ribbed) tomentose or glabrous.

cauline, bicolor (white and green to light gray-green);

blades narrowly elliptic to widely oblanceolate, (1–)3–11(–15) × 0.5–2(–6) cm (proximal with 3–5 lateral lobes, distal mostly entire), faces sparsely tomentose (abaxial) to sparsely hairy (adaxial).

persistent or deciduous, mostly basal;

basal blades 4–12 cm;

cauline gradually reduced, 2–4 × 0.5–1.5 cm, 2–3-pinnately lobed, lobes linear to narrowly oblong, apices acute, faces densely to sparsely white-pubescent.

narrowly turbinate to campanulate, 2–3 × 2–4 mm.

broadly turbinate, 2.5–3(–5) × 2–3.5(–7) mm.

pistillate 6–10;

bisexual 6–25;

corollas pale yellow, 1–1.5 mm, glabrous, sometimes glandular.

pistillate 5–20; functionally staminate 12–30;

corollas pale yellow, sparsely hairy or glabrous.

(green to gray) ovate, tomentose to pubescent.

(margins scarious) glabrous or villous-tomentose.

(usually nodding) in (leafy) paniculiform arrays 10–30 × 3–9 cm (branches widely spreading, ascending, stout).

(pedunculate) in (mostly leafless) paniculiform arrays.

ellipsoid, 0.5–1 mm, glabrous.

oblong-lanceoloid, somewhat compressed, 0.8–1 mm, faintly nerved, glabrous.

= 54.