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 1–5 cm;

blade simple, ovate to elliptic, 4.5–10.5 × 2–6 cm, margins entire to sinuate-dentate, base attenuate to rounded.

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

extra-axillary, unbranched, umbel-like, (2–)3–6-flowered, 1–2.5 cm.

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

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

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, 2–3 mm, glabrous to sparsely pubescent, lobes appressed in fruit, deltate;

corolla white, sometimes with yellow central star, rarely purplish, stellate, 0.5–1 cm diam., without interpetalar tissue;

stamens equal;

anthers ellipsoidal, 1–1.5 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 or slightly shiny purplish black, globose, 0.5–1 cm diam., glabrous, with 6–9 sclerotic granules per fruit.

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

yellowish, 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.

= 24.