Flora of North America species comparison

petiolate;

petiole 1–2.5(–4) cm;

blade simple, elliptic to obovate, 3–11(–14) × 1.6–5.5(–9) cm, margins entire or slightly undulate, occasionally with 2 small lobes at base, lobe margins entire, base truncate or acute.

petiolate;

petiole 1–1.5 cm;

blade simple, elliptic, 10–30 × 2–15 cm, margins entire or coarsely pinnatifid with 1–3 lobes per side, lobe margins entire, base cuneate.

terminal or lateral, leaf-opposed or extra-axillary, usually once-branched, occasionally more, 20–30-flowered, (2–)4–10 cm.

leaf-opposed or in branch fork, unbranched or forked, to 10-flowered, to 15 cm.

inserted into small sleeve on inflorescence axis, 1.5–2 cm in flower and fruit.

1.5–2 cm in flower and fruit.

radially symmetric;

calyx not accrescent, unarmed, 6–7 mm, densely pubescent, lobes deltate;

corolla violet to purple with or without green spots at base of lobes, spots usually small and not confluent, rotate, 3–4.5 cm diam., with abundant interpetalar tissue;

stamens equal;

anthers ellipsoidal, 4.5–5 mm, dehiscent by terminal pores that open into longitudinal slits;

ovary glabrous.

radially symmetric;

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

corolla blue to deep purple, rotate-stellate, lobes acute at apex, 3–4 cm diam., 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.

shiny green, turning yellow then black, globose, 3–4 cm diam., glabrous, without sclerotic granules.

bright orange to red, obovoid to ellipsoidal, 1.5–2 × 1–1.5 cm, glabrous, with sclerotic granules inconspicuous to absent.

reddish brown, plump to flattened, 1.5–2 × 1–1.5 mm, minutely pitted.

reddish brown, flattened, 1.5–2 × 1.5–2 mm, finely reticulate.

= 46.