Flora of North America species comparison

stipules linear to filiform, 2.5–12 mm;

petiole mostly 1/4–1/2 blade, densely hairy adaxially;

blade broadly rhombic-ovate, usually 3-lobed, sometimes unlobed in inflorescence, 3.5–9.5 × 2.5–8.5 cm, base cuneate or rounded, margins coarsely crenate-serrate, apex acute to short-acuminate, surfaces glabrate, midvein with nectary abaxially.

solitary flowers or few-flowered clusters in axils of distal leaves.

jointed at or near base, to 1.5 cm, densely, minutely stellate-hairy;

involucellar bractlets 7 or 8, linear or narrowly oblanceolate, 0.9–2.2 cm, unequal in length, margins not ciliate, densely stellate-hairy throughout.

horizontal or ascending, sometimes double;

calyx lobed 1/2 length, broadly campanulate, 1.6–2 cm, lobes triangular, apices acute or short-acuminate, minutely and densely stellate-hairy throughout, nectaries absent;

corolla broadly funnelform, petals pink, lavender, blue, or white, usually dark red basally, obliquely obovate, 3.5–7.5 × 2.5–5.5 cm, margins entire or repand, sometimes undulate, finely hairy where exposed in bud;

staminal column white, 2.5–3.5 cm, bearing filaments nearly throughout, free portion of filaments not secund, mostly 1.5–3 mm;

pollen cream;

styles white, 3–8 mm, branches sometimes of unequal lengths;

stigmas white.

greenish tan, ovoid, 1.5–2.5 cm, apex apiculate, minutely, densely stellate-hairy.

reddish brown, reniform-ovoid, laterally flattened, 4–5 mm, glabrous laterally, long-hairy dorsally, hairs straight, reddish orange.

= 40, 80, 90 (all cultivars).