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 1–4 cm;

blade simple, ovate, 6–15 × 3–10 cm, margins sinuate or shallowly to deeply lobed with 2–4 lobes per side, lobe margins entire to coarsely lobed, base truncate to cuneate and often oblique.

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

extra-axillary, 1–several times branched, to ca. 20-flowered, 6–14 cm.

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

1–2.5 cm in flower, 1.5–3 cm and curved downward 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 or with sparse prickles, 6–14 mm, densely stellate-pubescent, lobes ovate-lanceolate;

corolla lavender, pale blue, or sometimes white, stellate to stellate-pentagonal or rotate-stellate, 2–4.6 cm diam., with abundant interpetalar tissue at margins and bases of lobes;

stamens equal;

anthers narrow and tapered, 5–9 mm, dehiscent by terminal pores;

ovary minutely pubescent, hairs simple and stellate, rarely densely stellate-pubescent, glandular and eglandular.

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

yellow, subovoid to depressed-globose, 1–2 × 1–2.5 cm, glabrous, without sclerotic granules.

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

yellow, flattened, 1.9–3 × 1.7–2.5 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.

= 72.