Flora of North America species comparison

gray-green to brown, glabrate (diffusely branched from bases, brittle).

pale gray, glabrous.

(vegetative stems) persistent, gray-green;

blades broadly to narrowly cuneate, 3–10 × 2–5 mm, lobed (lobes 3, oblong-linear, to 1/3 blade lengths, mostly 1–3 mm wide, flat, obtuse, laterals sometimes 2–3-fid; leaves on flowering stems deciduous, blades narrowly cuneate, deeply 3-lobed), faces densely hairy (not sticky resinous).

deciduous, gray-green;

blades broadly cuneate, 1.5–4 × 0.5–2 cm, deeply 3-lobed (lobes 1–1.4 mm wide, acute; cauline leaves smaller, mostly 3-lobed).

campanulate or globose-ovoid, (1.5–)2–4(–5) × 1.5–4.5 mm.

globose or turbinate, 2–4 × 1.5–3 mm.

4–6(–10);

corollas 1.5–2 mm, glabrous.

3–11;

corollas 2–2.5 mm, glandular (style branches included).

(margins green) ovate (outer) to oblong, pubescent or tomentose.

broadly lanceolate (margins scarious, obscured by indument), canescent.

usually borne singly, rarely (1–4, erect, mostly sessile, in pedunculate clusters) in spiciform or paniculiform arrays 2–9 × 0.5–2 cm (branches slender).

in paniculiform or spiciform arrays (5–)8–15(–35) × (0.5–)1–5 cm.

(light brown) 0.7–0.8 mm, resinous.

(columnar, unequally ribbed) 1.8–2.3 mm, glabrous or resinous.