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 2–10(–13) cm;

blade simple, broadly ovate, 4–15 × 4–15 cm, margins shallowly to deeply lobed with 2–3 lobes per side, lobe margins entire to coarsely lobed, base cordate.

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

extra-axillary, ± sessile, unbranched, 1–7-flowered.

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

ca. 1 cm in flower, 1.5–2 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 somewhat accrescent, sometimes prickly, 4–6 mm, pubescent with minute glands and longer, simple, eglandular hairs, lobes triangular;

corolla white, stellate, 1.5–2 cm diam., without interpetalar tissue;

stamens equal;

anthers narrow and tapered, 5–6.5 mm, dehiscent by terminal pores;

ovary glabrous.

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

dull orange to red, globose, 2–4 cm diam., glabrous, without sclerotic granules.

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

yellow, flattened, winged at maturity, 4–6 × 4–6 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.