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 0.5–3 cm;

blade simple, elliptic to lanceolate, 1.5–8 × 1–4 cm, margins entire or nearly so, base cuneate to attenuate.

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

extra-axillary, unbranched or rarely forked, umbel-like, 3–8-flowered, 1–2 cm.

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

0.5–1 cm in flower and fruit, recurved to reflexed 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 not accrescent, unarmed, 1.5–3 mm, sparsely pubescent, lobes deltate, reflexed in fruit;

corolla white with yellowish central star, stellate, 1–1.5 cm diam., with sparse interpetalar tissue;

stamens equal;

anthers ellipsoidal, 2–3 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.

dull purplish black, globose, 0.5–1.5 cm diam., glabrous, without (or rarely with 2) sclerotic granules.

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

pale yellow, flattened, 1–1.3 × 0.8–0.9 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.