Flora of North America species comparison

petiolate;

petiole 1–3 cm;

blade simple, ovate to elliptic, 4.5–13 × 2–5.5 cm, margins entire, base rounded to acute.

petiolate;

petiole 2–6 cm;

blade simple to compound, broadly ovate, 5–10 × 2.5–8 cm, margins 2–3 times lobed or divided with 3–4 main leaflets per side, leaflets with acute lobes, base truncate.

terminal to extra-axillary, much-branched, with numerous flowers, 2–8 cm.

extra-axillary, unbranched, 5–9-flowered, 4–7 cm.

erect and 0.7–1 cm in flower and fruit.

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

radially symmetric;

calyx not accrescent, unarmed, 2–4 mm, moderately stellate-pubescent, lobes triangular;

corolla white, stellate, 1.5–2 cm diam., without interpetalar tissue;

stamens equal;

anthers narrow and tapered, 3–4.5 mm, dehiscent by terminal pores;

ovary glabrous or sparsely glandular-pubescent.

bilaterally symmetric;

calyx accrescent and tightly covering fruit, densely prickly, 3–5 mm, densely pubescent, lobes linear;

corolla violet or blue, pentagonal-stellate, 1.4–2 cm diam., with interpetalar tissue at the margins and bases of lobes;

stamens unequal, lowermost much longer and curved;

anthers narrow and tapered, dehiscent by terminal pores, short anthers yellow, 4–5.5 mm, longer anther purplish, 5.5–8.5 mm;

ovary glabrous.

red, globose, 0.5–1 cm diam., glabrous or sparsely glandular-pubescent, without sclerotic granules.

brown, globose, 0.8–1 cm diam., glabrous, dry, without sclerotic granules.

yellow, flattened, 2.5–3.5 × 1.5–2.5 mm, minutely pitted.

dark brown, flattened, 2.6–3 × 2–2.5 mm, minutely pitted.

= 24.

= 24.