Flora of North America species comparison

1–2 m, densely tomentose distally.

0.5–2 m, nearly glabrous to densely tomentose.

elliptic-lanceolate, reduced distally, 20–50 × 10–25 cm, glabrous or sparsely hairy.

ovate to elliptic, reduced distally, to lanceolate, 15–35 × 8–20 cm, glabrous to densely hairy, especially on abaxial surface.

paniculate, with spreading to ascending branches, 30–50 cm, densely tomentose;

bracts ovate to ovate-lanceolate, shorter than flowers.

paniculate, with ascending to spreading or distinctly drooping (particularly in w North America) branches, 30–70 cm, tomentose;

bracts lanceolate, shorter than flowers.

oblong-ovoid, 8–10 mm, glabrous.

oblong-ovoid, 2–3 cm, glabrous.

± globose, wingless, 5–7 mm.

flat, broadly winged, 8–10 mm.

white, rhomboid-ovate to ovate, not clawed, 6–9 mm, margins ± deeply and irregularly fimbriate;

glands 2, basal, ± mid tepal, yellow, elliptic;

ovary glabrous;

pedicel 6–12 mm.

deep green to yellowish, lanceolate to oblong-elliptic, narrowed to short, broad claw, 5–12 mm, tomentose adaxially, margins of both whorls or at least inner obviously erose-serrulate;

gland 1, basal, dark green or yellowish green, V-shaped;

ovary glabrous;

pedicel 2–10 mm.

= 32.