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 broadly ovate or suborbiculate, unlobed or 3- or 5-lobed, 3–6(–8) cm, surfaces: moderately to copiously hairy, hairs grayish to tawny, 10–30-armed, 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.

usually short, interrupted, spicate to racemose, flower clusters sessile or short-pedunculate, glomerate to open, usually leafy;

involucellar bractlets filiform, 5–13 × 1 mm, mostly 2/3 to equaling 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 angled or slightly winged in bud, 7–15 mm, lobes lanceolate, triangular, or ovate, 4.5–12 × 1.7–3(–4) mm, 2–3 times as long as wide, 2–3 times tube length, apex long-acuminate, densely stellate-hairy, hairs many-armed;

petals pink, to 2 cm.

2.5–4 mm.

2–3.2 mm.

= 34.

= 34.