Flora of North America species comparison

persistent, 2-ternately compound or 3-5-foliolate, 10-18 cm;

petiole 3-12 cm, sparsely hairy.

persistent, 2(-3)-ternately compound, 10-30 cm;

petiole 1-15 cm, sparsely hairy, becoming glabrous.

blades ovate to oblong, slightly 3-lobed, leathery, base cordate, margins thickened, crisped, apex notched;

surfaces abaxially pubescent, glaucous, adaxially glabrous to rarely pubescent.

blades rounded-deltate to rounded-pentagonal, often broader than long, obscurely 3-lobed, base cordate, margins conspicuously thickened, crisped, apex minutely notched;

surfaces abaxially glabrous or sparsely hairy, adaxially glabrous.

peduncle 2-3 dm;

pedicel 1-4 cm, stipitate-glandular.

peduncle 1-2 dm;

pedicel 1-3 cm, stipitate-glandular.

4-15;

bracteoles 6-9, tan to brown, 1-4 mm, caducous, stipitate-glandular;

sepals 6, yellow, spatulate, 6-10 mm, stipitate-glandular;

petals 6, yellow, 4-6 mm, margins entire, apex strongly reflexed, apical nectary darker yellow;

filaments stipitate-glandular.

20-50;

bracteoles 6-9, white to yellow, glands absent;

sepals 6, white to yellow, oblanceolate, 4-5 mm, glands absent;

petals 6, white, sometimes lavender-tinged, 3-4 mm, margins entire, apex notched, not reflexed, lateral lobes bearing nectaries, nectaries golden;

filaments without glands.

3-10, reddish brown, reniform to oblong, 3-4 mm.

1-2, black, lunate, 3-4 mm.

greenish brown, 8-15 mm including beak, beak 3-4 mm, densely stipitate-glandular.

greenish brown, 4-7 mm including beak, beak 2 mm, glands absent.

= 12.

= 24.