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 0.1–2.7 cm;

blade simple, narrowly elliptic, 2–21 × 0.5–5.5 cm, margins entire or shallowly lobed, base attenuate to rounded.

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

extra-axillary or leaf-opposed, usually unbranched, 30+-flowered, to 15 cm.

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

0.8–1.5 cm in flower, 1–2 cm and recurved to one side of the inflorescence 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, 1.5–2.5 mm, moderately stellate-pubescent, lobes triangular;

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

stamens equal;

anthers narrow and tapered, 5.5–8 mm, dehiscent by terminal pores, anther tube densely stellate-pubescent within;

ovary glabrous or sparsely pubescent with short-glandular hairs.

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

bright shiny red, globose, 0.5–0.7 cm diam., glabrous, without sclerotic granules.

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

pale tan, flattened, 2–2.5 × 1–1.5 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.