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 2–10(–13) cm;

blade simple, broadly ovate, 4–15 × 4–15 cm, margins shallowly to deeply lobed with 2–3 lobes per side, lobe margins entire to coarsely lobed, base cordate.

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

extra-axillary, ± sessile, unbranched, 1–7-flowered.

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

ca. 1 cm in flower, 1.5–2 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 somewhat accrescent, sometimes prickly, 4–6 mm, pubescent with minute glands and longer, simple, eglandular hairs, lobes triangular;

corolla white, stellate, 1.5–2 cm diam., without interpetalar tissue;

stamens equal;

anthers narrow and tapered, 5–6.5 mm, dehiscent by terminal pores;

ovary glabrous.

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

dull orange to red, globose, 2–4 cm diam., glabrous, without sclerotic granules.

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

yellow, flattened, winged at maturity, 4–6 × 4–6 mm, minutely pitted.

= 24, 48, 72.

= 24.