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 1–2.5(–4) cm;

blade simple, elliptic to obovate, 3–11(–14) × 1.6–5.5(–9) cm, margins entire or slightly undulate, occasionally with 2 small lobes at base, lobe margins entire, base truncate or acute.

extra-axillary, unbranched, umbel-like, 1–6-flowered, 1–3 cm.

terminal or lateral, leaf-opposed or extra-axillary, usually once-branched, occasionally more, 20–30-flowered, (2–)4–10 cm.

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

inserted into small sleeve on inflorescence axis, 1.5–2 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, 6–7 mm, densely pubescent, lobes deltate;

corolla violet to purple with or without green spots at base of lobes, spots usually small and not confluent, rotate, 3–4.5 cm diam., with abundant interpetalar tissue;

stamens equal;

anthers ellipsoidal, 4.5–5 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.

shiny green, turning yellow then black, globose, 3–4 cm diam., glabrous, without sclerotic granules.

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

reddish brown, plump to flattened, 1.5–2 × 1–1.5 mm, minutely pitted.

= 24.