Flora of North America species comparison

petiolate;

petiole 1–5 cm;

blade simple, ovate to elliptic, 7–23 × 4–14 cm, margins subentire to coarsely lobed with 3–4 lobes per side, lobe margins entire to coarsely lobed, base truncate to subcordate and asymmetrical.

petiolate;

petiole 1–1.5 cm;

blade simple, elliptic, 10–30 × 1.5–15 cm, margins entire to coarsely pinnatifid with 1–3 lobes per side, lobe margins entire, base cuneate.

extra-axillary, unbranched or branched, 10–20-flowered, to 6 cm.

leaf-opposed or in branch forks, unbranched or forked, to 10-flowered, 5–15 cm.

1–1.5 cm in flower, erect and 1.5–2.5 cm in fruit.

1.5–3 cm in flower and fruit.

radially symmetric;

calyx slightly accrescent, unarmed, 4–8 mm, sparsely to moderately pubescent with unbranched, gland-tipped hairs, lobes lanceolate;

corolla white, stellate, 2–3 cm diam., with sparse interpetalar tissue;

stamens equal;

anthers narrow and tapered, 6–9 mm, dehiscent by terminal pores;

ovary glabrous or glandular-puberulent at apex.

radially symmetric;

calyx somewhat accrescent, unarmed, 3–4 mm, glabrous, lobes deltate;

corolla blue to deep purple, rotate-stellate, 3–5 cm diam., lobes notched at apex, with abundant interpetalar tissue;

stamens equal;

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

ovary glabrous.

green to yellow, globose, 1–1.5 cm diam., glabrous, without sclerotic granules.

yellow to orange-yellow, ovoid to obovoid, 1.5–2 × 1–1.5 cm, glabrous, with abundant sclerotic granules.

light brown, flattened, 2.5–3 × 2–2.5 mm, minutely pitted.

reddish brown, flattened, 2.5–3 × 2–2.5 mm, concentrically reticulate.

= 24.

= 92.