Flora of North America species comparison

petiolate;

petiole 0.5–2.5 cm;

blade simple, elliptic to oblong, 2–5 × 1–3 cm, margins shallowly lobed to deeply and regularly pinnatifid with 3–6 lobes per side, lobe margins entire or occasionally coarsely lobed, base cuneate and decurrent.

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, umbel-like, 1–6-flowered, 1–3 cm.

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

spreading and 0.5–1.5 cm in flower, reflexed and 0.5–1.5 cm in fruit.

articulated near middle, 1.1–3.7 cm in flower and fruit.

radially symmetric;

calyx accrescent and covering base of berry, unarmed, 2–4(–7) mm, moderately pubescent, lobes deltate, reflexed;

corolla white or light purple with green or purplish central star, stellate, 0.5–1 cm diam., with sparse interpetalar tissue;

stamens equal;

anthers narrowly ellipsoidal, 2.5–4 mm, dehiscent by terminal pores that open into longitudinal slits;

ovary glabrous.

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.

shiny dark green to purplish black, globose, 0.8–2 cm diam., glabrous, with 13–30 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.

yellow, plump, 2–3 × 2–2.5 mm, minutely pitted.

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

= 24.

= 48.