Flora of North America species comparison

petiolate;

petiole 1–5 cm;

blade simple, lanceolate to oblong, 5–15 × 0.5–3 cm, margins undulate, subentire to sinuate or shallowly lobed, lobe margins entire, base truncate to cuneate.

petiolate;

petiole 0.5–3(–7) cm;

blade simple, ovate, 1–5(–9) × 0.5–3(–6) cm, margins entire to coarsely and irregularly toothed, base truncate to acute and decurrent.

extra-axillary, unbranched, 3–5(–7)-flowered, 3–5 cm.

extra-axillary or leaf-opposed, unbranched, racemelike, 2–7(–14)-flowered, 2–4 cm.

1–3 cm in flower, reflexed and 1–3 cm in fruit.

0.5–1 cm in flower and fruit, nodding or deflexed downward in fruit.

radially symmetric;

calyx not accrescent, unarmed or with sparse prickles, 5–10 mm, densely silvery-stellate-pubescent, lobes linear-lanceolate;

corolla pale to deep blue or violet, rarely white, pentagonal-stellate, 2–3(–3.5) cm diam., with abundant interpetalar tissue;

stamens equal;

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

ovary glabrous to densely stellate-pubescent.

radially symmetric;

calyx not accrescent, unarmed, 2–3 mm, sparsely pubescent, lobes deltate;

corolla white with yellow-green to brownish central star, stellate, 1–2 cm diam., without interpetalar tissue;

stamens equal;

anthers ellipsoidal and slightly tapered towards the tips, (2.5–)3–4.5 mm, dehiscent by terminal pores that open into longitudinal slits;

ovary glabrous.

yellow to orange, drying brown or black, globose, 0.5–1.5 cm diam., glabrous, without sclerotic granules.

dull purplish black, globose, 0.5–1 cm diam., glabrous, with (2–)6–8 sclerotic granules per fruit.

yellowish, flattened, 3–5 × 2–4 mm, minutely pitted.

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

= 24, 48, 72.

= 24.