Flora of North America species comparison

petiolate;

petiole 1–5 cm;

blade simple, lanceolate to oblong, 5–15 × 0.5–3 cm, margins undulate, subentire to sinuate or shallowly lobed, lobe margins entire, base truncate to cuneate.

petiolate;

petiole 1.5–6 cm;

blade simple, ovate, 8–23 × 7–13 cm, margins coarsely lobed with 3–4 lobes per side, lobe margins entire to coarsely lobed, base cordate.

extra-axillary, unbranched, 3–5(–7)-flowered, 3–5 cm.

extra-axillary or leaf-opposed, occasionally sessile, unbranched or forked, 6–15(–30)-flowered, 3.5–8 cm.

1–3 cm in flower, reflexed and 1–3 cm in fruit.

0.5–2 cm in flower, pendent and 2–3 cm in fruit.

radially symmetric;

calyx not accrescent, unarmed or with sparse prickles, 5–10 mm, densely silvery-stellate-pubescent, lobes linear-lanceolate;

corolla pale to deep blue or violet, rarely white, pentagonal-stellate, 2–3(–3.5) cm diam., with abundant interpetalar tissue;

stamens equal;

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

ovary glabrous to densely stellate-pubescent.

radially symmetric;

calyx accrescent and subtending fruit, sparsely to moderately armed, 7–15 mm, densely stellate-pubescent, lobes broadly deltate;

corolla white to pale purple, rotate-stellate, 2.5–4 cm diam., with abundant interpetalar tissue;

stamens equal;

anthers narrow and tapered, 5.5–7 mm, dehiscent by terminal pores;

ovary moderately stellate-pubescent.

yellow to orange, drying brown or black, globose, 0.5–1.5 cm diam., glabrous, without sclerotic granules.

yellow, dark green mottled with white when young, globose, 3.5–4(–5) cm diam., glabrous, without sclerotic granules.

yellowish, flattened, 3–5 × 2–4 mm, minutely pitted.

light brown, flattened, 2.5–3.5 × 2–2.5 mm, minutely pitted.

= 24, 48, 72.

= 24.