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 0.3–1.2 cm;

blade simple, deltate to hastate or triangular, sometimes linear, (1–)1.8–5 × (0.3–)1–3.5 cm, margins entire to basally 2-lobed, lobe margins entire, base truncate to subcordate or hastate.

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

terminal or lateral, leaf-opposed or occasionally extra-axillary, unbranched or occasionally forked, 3–6-flowered, 1–3 cm.

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

inserted into small sleeve on inflorescence axis, 0.6–1.2 cm in flower, 1–1.5 cm 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, 2.5–3.5 mm, glabrous to sparsely pubescent, lobes triangular-acuminate;

corolla white or tinged with purple, often with shiny green or greenish white eye, stellate, 1.5–2 cm diam., without interpetalar tissue;

stamens equal;

anthers oblong, slightly tapered, 3.5–4 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.

bright shiny red, globose, 1–1.5 cm diam., glabrous, without sclerotic granules.

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

reddish brown, plump-reniform to flattened, ca. 4 × 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.

, semiwoody or scramblers with enlarged woody base, to 2 m, occasionally erect subshrubs to 0.5 m, unarmed, glabrous to densely pubescent, hairs usually ascending and pointing distally on stems, weak, unbranched, to 0.5 mm.

= 24.

= 24.