Flora of North America species comparison

petiolate;

petiole 1–3.5 cm;

blade simple, ovate-lanceolate, 3–10 × 2–5 cm, margins entire to sinuate-dentate, base cuneate to truncate.

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.

extra-axillary, forked, umbel-like or racemelike, 6–14-flowered, 1.5–3 cm.

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

straight and spreading and 0.5–1 cm in flower, strongly reflexed and 0.5–1 cm in 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, 3–4 mm, sparsely pubescent, lobes obtuse;

corolla white to pale purple with yellowish or greenish central star, stellate, 1–2 cm diam., with sparse interpetalar tissue;

stamens equal;

anthers ellipsoidal, 2.5–3.5 mm, dehiscent by terminal pores that 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.

dull green to purple, globose, 0.5–0.9 cm diam., glabrous, with 6–14 sclerotic granules per fruit.

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

pale yellow to light brown, flattened, 1.5–2 × 1–1.5 mm, finely reticulate.

reddish brown, plump-reniform to flattened, ca. 4 × 2.5 mm, minutely pitted.

, 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.

= 72.

= 24.