Flora of North America species comparison

blades ovate, broadly ovate, suborbiculate, or reniform, 3- or 5-lobed, 4–6(–11) cm, thin or thick, surfaces: adaxial white, densely velvety-tomentose or green, sparsely hairy, basal sinus open, not overlapping.

blades ovate, unlobed or 3-lobed, 3–6.5 cm, thin, surfaces: copiously white-stellate, basal sinus open, not overlapping.

interrupted, spicate or narrow- or, rarely, open-paniculate, flower clusters sessile or pedunculate, 6–10-flowered;

involucellar bractlets subulate to filiform, 3–12(–15) × to 0.5 mm, 1/3–1 1/3 times calyx length.

open-paniculate, flowers solitary or in pedunculate clusters, loose, not subtended by conspicuous bracts, flowers 3 or 4 per node;

involucellar bractlets lanceolate, 5–8 × 1–1.5 mm, 1/2–3/4 calyx length.

calyx campanulate, 5.5–13 mm, lobes usually narrowly triangular, 3–10 × 1–4 mm, ca. 2–3 times as long as wide, ± equaling to 3 times tube length, apex acute or short-acuminate, densely white-lanate;

petals pale pink, to 1.8 cm.

calyx slightly winged in bud, 9–11 mm, lobes ovate-acuminate, 6–7.5 × 2.5–3.5 mm, ca. 2 times as long as wide, 2–3 times tube length, apex acuminate, densely stellate;

petals pale pink, 1.5–2 cm.

2.5–4 mm.

to 3 mm.

= 34.