Flora of North America species comparison

usually 10+, erect, light brown, simple, usually glabrous.

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

cauline (sessile), bicolor (white and dark green);

blades lanceolate, 5–10(–15) × 1–5 cm (bases strongly tapered, attenuate), coarsely and irregularly lobed, faces tomentose (abaxial) or glabrous (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 or globose, 1.5–2.5 × 1–1.5 mm.

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

pistillate 2–5;

bisexual 2–7;

corollas yellow, 1.5–3 mm, glabrous.

pistillate 5–20; functionally staminate 12–30;

corollas pale yellow, sparsely hairy or glabrous.

(straw-colored to yellow-green, shiny) lanceolate, glabrous or sparsely hairy.

(margins scarious) glabrous or villous-tomentose.

(erect) in crowded (proximally leafy), paniculiform or racemiform arrays 17–30 × (2–)4–5 cm (lateral branches stiff, erect).

(pedunculate) in (mostly leafless) paniculiform arrays.

ellipsoid, 0.8–1.5 mm, glabrous.

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

= 18.