Flora of North America species comparison

1–1.5 m, grayish-hairy distally.

1–2.5 m, ± glabrous proximally, tomentose distally.

blades elliptic, distal lanceolate, 10–35 × 7–21 cm, reduced distally, grayish-hairy, at least when young.

ovate, distalmost lanceolate to lance-linear, 20–40 × 15–25 cm, reduced distally, tomentose-ciliate, curly-hairy abaxially, glabrous or veins sparsely short-hairy adaxially.

paniculate, with ascending branches, 20–50 cm, grayish-hairy;

bracts ovate to lanceolate, shorter than flowers.

dense-paniculate, with spreading to stiffly erect branches to near tip or distal 1/3–1/2 unbranched, 30–70 cm, tomentose;

bracts ovate-elliptic to lanceolate, shorter than to obviously longer than flowers.

oblong-ovoid, 2–3 cm, densely tomentose.

narrowly ovoid, 2–3 cm, glabrous.

flat, broadly winged, 10–15 mm.

flat, winged, 10–12 mm.

creamy white to yellow, broadly ovate, not clawed, 6–15 mm, margins strongly erose-ciliate or inner shallowly fimbriate;

gland 1, basal, green, V-shaped, elliptic;

ovary densely tomentose;

pedicel 6–15 mm.

creamy white, greenish basally, lanceolate to elliptic or oblong-ovate, not or very slightly clawed, 8–17 mm, margins entire to denticulate, glabrous to abaxially tomentose;

gland 1, basal, green, V-shaped;

ovary glabrous or with few hairs;

pedicel 1–6 mm.

= 32.