Flora of North America species comparison

petiolate;

petiole 0.5–3 cm;

blade simple, ovate, 3.5–7 × 2.2–5 cm, margins entire to coarsely toothed with 3–5 lobes per side, base truncate to cuneate.

petiolate;

petioles 0.5–1.5 cm;

blade simple, ovate to elliptic, (1–)2–6.5 × (0.5–)1–3(–4.5) cm, margins entire or undulate, base rounded to truncate and usually oblique.

extra-axillary, unbranched or occasionally forked, racemelike, (3–)4–10-flowered, 1–2 cm.

extra-axillary, unbranched, 3–4-flowered, 3–4 cm.

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

0.4–1.5 cm in flower, erect and 1–2 cm in fruit.

radially symmetric;

calyx not accrescent, unarmed, 1.5–2 mm, sparsely pubescent, lobes deltate, spreading to reflexed in fruit;

corolla white with yellowish central star, stellate, 1–1.5 cm diam., without interpetalar tissue;

stamens equal;

anthers ellipsoidal, (1.8–)2–2.5 mm, dehiscent by terminal pores that open into longitudinal slits;

ovary glabrous.

radially symmetric;

calyx not accrescent, unarmed, 8–10(–20) mm, densely stellate-pubescent, lobes long-triangular to linear-lanceolate;

corolla violet, pentagonal, 2.5–4(–5) cm diam., with abundant interpetalar tissue;

stamens equal or slightly unequal;

anthers narrow and tapered, 6–10 mm, dehiscent by terminal pores;

ovary glabrous.

dull or slightly shiny purple-black or green to yellowish green, globose, 0.5–1 cm diam., glabrous, without sclerotic granules.

light green, sometimes with darker mottling, drying dark brown or reddish brown, globose, 1–1.5(–2) cm diam., glabrous, cracking open to expose seeds, without sclerotic granules.

yellow, flattened, 1.8–2 × 1.5–1.6 mm, minutely pitted.

dark brown, flattened, 2–3 mm diam., minutely pitted.

= 72.