Flora of North America species comparison

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.

petiolate;

petiole 1–3.5 cm;

blade simple, ovate-lanceolate, 3–10 × 2–5 cm, margins entire to sinuate-dentate, base cuneate to truncate.

terminal, becoming lateral, extra-axillary, much-branched, to 100+-flowered, to 25+ cm.

extra-axillary, forked, umbel-like or racemelike, 6–14-flowered, 1.5–3 cm.

inserted into small sleeve on inflorescence axis, 0.8–1.4 cm in flower and fruit.

straight and spreading and 0.5–1 cm in flower, strongly reflexed and 0.5–1 cm in fruit.

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.

radially symmetric;

calyx not accrescent, unarmed, 3–4 mm, sparsely pubescent, lobes obtuse;

corolla white to pale purple with yellowish or greenish central star, stellate, 1–2 cm diam., with sparse interpetalar tissue;

stamens equal;

anthers ellipsoidal, 2.5–3.5 mm, dehiscent by terminal pores that open into longitudinal slits;

ovary glabrous.

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

dull green to purple, globose, 0.5–0.9 cm diam., glabrous, with 6–14 sclerotic granules per fruit.

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

pale yellow to light brown, flattened, 1.5–2 × 1–1.5 mm, finely reticulate.

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

= 24.

= 72.