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, with pair of entire lunate pseudostipules at base;

blade compound, elliptic to ovate, 7.5–20 × 3.5–8 cm, margins divided with 1–4 pairs of leaflets, these sometimes interspersed with smaller, interjected leaflets, lowermost leaflets sometimes greatly reduced in size, leaflet margins entire, base cuneate to cordate.

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

terminal, extra-axillary or leaf-opposed, generally forked or 3-fid, 3–26-flowered, to 10 cm.

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

articulated near middle, 1.1–3.7 cm in flower and 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, 4–8 mm, lobes deltate-acuminate;

corolla purple, blue, pale pink, or rarely white, pentagonal to rotate, 1.8–3.3 cm diam., with abundant interpetalar tissue;

stamens equal;

anthers oblong, slightly tapered, 3.5–6.5 mm, dehiscent by terminal pores that open into longitudinal slits;

ovary glabrous.

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

green, sometimes with dark green stripes or white spots, globose or slightly ovoid, 0.9–1.7 cm diam., glabrous, without sclerotic granules.

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

greenish white, rounded, 1–2 mm diam., rugose.

= 24.

= 48.