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 2–10 cm;

blade compound, elliptic, 10–30+ × 5–25 cm, margins divided with 3(–5) pairs of leaflets, interspersed with smaller interjected leaflets, leaflet margins toothed, base truncate to cordate.

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

lateral, extra-axillary, simple or rarely forked, 4–15-flowered, to 10 cm.

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

articulated near middle, 0.5–2 cm in flower, to 3 cm 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 accrescent, unarmed, 5–25 mm, lobes 5–7, lanceolate-acuminate;

corolla yellow, pentagonal to stellate, 1–3 cm diam., with interpetalar tissue at margins and bases of lobes;

stamens equal;

anthers narrow and tapered, 6–11 mm, each with a sterile apical appendage, dehiscent by oblong pores that open into introrse, longitudinal slits;

ovary glabrous or glandular-puberulent.

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

usually red, orange, or yellow, globose to ellipsoid or obovoid, 1.5–12 cm diam., glabrous, without sclerotic granules.

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

pale brown, flattened, 2–4 × 1.5–2 mm, pubescent.

= 24, 48, 72.

= 24.