Flora of North America species comparison

petiolate;

petiole 0.2–1 cm;

blade simple, elliptic, 1–9 × 0.5–4.5 cm, margins entire, base acute to attenuate.

petiolate;

petiole 0.5–3 cm;

blade simple, ovate to elliptic, 3–7.5 × 3–6 cm, margins entire to sinuate-dentate, base truncate to cordate.

leaf-opposed, unbranched, 1–8-flowered, 0.2–1 cm.

leaf-opposed or occasionally extra-axillary, unbranched, umbel-like, 2–5(–7)-flowered, 0.5–1.5 cm.

0.3–0.7 cm in flower, 0.8–1 cm and erect in fruit.

0.5–1 cm in flower and fruit, spreading in flower, reflexed in fruit.

radially symmetric;

calyx somewhat accrescent, unarmed, 2.5–6 mm, glabrous to densely pubescent with dendritic hairs, lobes long-triangular;

corolla white, stellate, 1–1.5(–2.5) cm diam., without interpetalar tissue;

stamens equal;

anthers oblong, 3–4 mm, dehiscent by terminal pores that open into longitudinal slits;

ovary glabrous.

radially symmetric;

calyx accrescent and nearly covering berry, unarmed, 2–3 mm, sparsely to moderately pubescent, lobes narrowly triangular;

corolla white with yellowish or greenish central star, rotate-stellate, 0.5–1 cm diam., with abundant interpetalar tissue;

stamens equal;

anthers ellipsoidal, 1.2–2 mm, dehiscent by terminal pores that open into longitudinal slits;

ovary glabrous.

yellow to orange or red, globose, 1–2 cm diam., glabrous, without sclerotic granules.

dull pale green, globose, 0.5–1 cm diam., glabrous, with 4–6 sclerotic granules.

yellowish, flattened with thickened margins, 3–4 × 2.5–3 mm, minutely pitted.

pale yellow, flattened, 1.5–2 × 1–1.5 mm, nearly smooth.

= 24.

= 24.