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 1–5 cm;

blade simple, ovate to elliptic, 4.5–10.5 × 2–6 cm, margins entire to sinuate-dentate, base attenuate to rounded.

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

extra-axillary, unbranched, umbel-like, (2–)3–6-flowered, 1–2.5 cm.

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

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

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, glabrous to sparsely pubescent, lobes appressed in fruit, deltate;

corolla white, sometimes with yellow central star, rarely purplish, stellate, 0.5–1 cm diam., without interpetalar tissue;

stamens equal;

anthers ellipsoidal, 1–1.5 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 or slightly shiny purplish black, globose, 0.5–1 cm diam., glabrous, with 6–9 sclerotic granules per fruit.

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

yellowish, flattened, 1.5–2 × 1–1.5 mm, finely reticulate.

= 24, 48, 72.

= 24.