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;

petioles twining around supports, 1–4 cm;

blade simple to compound, elliptic to broadly ovate, (2–)3.5–10(–13) × (1–)2–9(–11) cm, margins entire to divided with up to 4 pairs of leaflets, leaflet margins entire, base truncate or slightly cordate.

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

terminal, becoming lateral, extra-axillary, much-branched, to 100+-flowered, to 25+ 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, 0.8–1.4 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, ca. 0.5 mm, nearly truncate, glabrous or sparsely pubescent on lobe tips;

corolla purple, stellate, 1–2.5 cm diam., with sparse interpetalar tissue;

stamens unequal due to unequal filaments;

anthers ellipsoidal, 2–3 mm, dehiscent by terminal pores;

ovary glabrous.

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

bright shiny red, globose, 0.8–1.5 cm diam., glabrous, without sclerotic granules.

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

pale yellowish tan, flattened, 4–4.5 × 2.5-3 mm, minutely pitted.

or scrambling vines, woody, unarmed, to ca. 3 m, glabrous or sparsely pubescent, hairs white, unbranched, ca. 0.2 mm.

= 24.

= 24.