Flora of North America species comparison

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

relatively numerous, erect, gray, simple (annual flowering branches leafy), loosely sericeous.

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.

(semideciduous) cauline (sessile), gray-green;

blades oblanceolate, 0.5–3 × 0.2–1.5 cm (bases attenuate), 3-lobed or irregularly palmatifid (lobes narrow, apices acute), sparsely sericeous-lanate.

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

globose, 3.5–5 × 4–5 mm.

pistillate 5–20; functionally staminate 12–30;

corollas pale yellow, sparsely hairy or glabrous.

pistillate 8;

bisexual 20–35;

corollas yellow (tubular with broad throats), ca. 2 mm, glandular.

(margins scarious) glabrous or villous-tomentose.

ovate, sparsely sericeous.

(pedunculate) in (mostly leafless) paniculiform arrays.

(mostly erect, peduncles 0 or to 25 mm) in racemiform arrays (4–)8–12(–14) × (0.5–)1–2(–4) cm.

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

(light brown) oblanceoloid (4–5-angled, broadest at truncate apices), 0.3–0.5 mm, glandular-pubescent (pappi coroniform, 0.3–0.6 mm, irregularly lacerate).