Flora of North America species comparison

petiolate;

petiole 1–5 cm;

blade simple, ovate to elliptic, 7–23 × 4–14 cm, margins subentire to coarsely lobed with 3–4 lobes per side, lobe margins entire to coarsely lobed, base truncate to subcordate and asymmetrical.

petiolate;

petiole 1.5–4 cm;

blade simple, ovate to elliptic, 5–25 × 3–15 cm, margins entire to shallowly lobed with 2–4 lobes per side, lobe margins entire to undulate, base obtuse to cordate.

extra-axillary, unbranched or branched, 10–20-flowered, to 6 cm.

extra-axillary, usually much-branched, 10–20-flowered, to 10 cm.

1–1.5 cm in flower, erect and 1.5–2.5 cm in fruit.

0.5–1 cm in flower, erect and 1–2 cm in fruit.

radially symmetric;

calyx slightly accrescent, unarmed, 4–8 mm, sparsely to moderately pubescent with unbranched, gland-tipped hairs, lobes lanceolate;

corolla white, stellate, 2–3 cm diam., with sparse interpetalar tissue;

stamens equal;

anthers narrow and tapered, 6–9 mm, dehiscent by terminal pores;

ovary glabrous or glandular-puberulent at apex.

radially symmetric;

calyx not accrescent, unarmed, 5–8 mm, densely stellate-pubescent, lobes triangular;

corolla usually blue to purple, rarely whitish, stellate to rotate-stellate, 2.5–4 cm diam., with abundant interpetalar tissue;

stamens equal;

anthers narrow and tapered, 6–8 mm, dehiscent by terminal pores;

ovary glabrous to stellate-pubescent.

green to yellow, globose, 1–1.5 cm diam., glabrous, without sclerotic granules.

yellow to orange, globose, 0.7–1.5 cm diam., stellate-pubescent at apex, without sclerotic granules.

light brown, flattened, 2.5–3 × 2–2.5 mm, minutely pitted.

yellow to light brown, flattened, 2.5–3 × 2–2.5 mm, minutely pitted.

= 24.