Flora of North America species comparison

petiolate;

petiole 0.5–5 cm;

blade simple, elliptic or ovate to cordate, 2.5–12 × 1.2–9 cm, margins entire to deeply pinnatifid and usually 3-lobed near base, lobe margins entire, base truncate to cordate.

petiolate;

petiole 0.2–1 cm;

blade simple, elliptic, 1–9 × 0.5–4.5 cm, margins entire, base acute to attenuate.

terminal or lateral, extra-axillary, much-branched, 7–40-flowered, (1–)4–15 cm.

leaf-opposed, unbranched, 1–8-flowered, 0.2–1 cm.

inserted into a small sleeve on the inflorescence axis, 0.6–1.2 cm in flower and fruit.

0.3–0.7 cm in flower, 0.8–1 cm and erect in fruit.

radially symmetric;

calyx not accrescent, unarmed, 1–2 mm, glabrous to densely pubescent, lobes triangular, shallow;

corolla purple (rarely white), with green and white shiny spots at base of each lobe, deeply stellate, 1.5–2 cm diam., without interpetalar tissue;

stamens equal;

anthers oblong, slightly tapered, 4.5–6 mm, dehiscent by terminal pores that often open into longitudinal slits;

ovary glabrous.

radially symmetric;

calyx somewhat accrescent, unarmed, 2.5–6 mm, glabrous to densely pubescent with dendritic hairs, lobes long-triangular;

corolla white, stellate, 1–1.5(–2.5) cm diam., without interpetalar tissue;

stamens equal;

anthers oblong, 3–4 mm, dehiscent by terminal pores that open into longitudinal slits;

ovary glabrous.

bright shiny red, globose to ellipsoidal, 0.5–1.5 × 0.5–1 cm, glabrous, without sclerotic granules.

yellow to orange or red, globose, 1–2 cm diam., glabrous, without sclerotic granules.

pale yellow or tan, flattened, 2–3 mm diam., minutely pitted.

yellowish, flattened with thickened margins, 3–4 × 2.5–3 mm, minutely pitted.

, climbing or scrambling, herbaceous or woody, unarmed, to 8–10 m, sparsely to densely pubescent, hairs unbranched and/or dendritic, rarely glabrous.

= 24.

= 24.