Flora of North America species comparison

2-80 cm, tuberlike or fibrous, dry or fleshy;

buds often less than 3 mm.

50-150 cm;

base green, glabrous.

1-8(-19) per root;

base firmly attached to root or not.

blade round to reniform, 4-8 × 7-15 cm, glabrous; ultimate lobes 5-9, width 8-50 mm.

cauline and/or in basal rosette, gradually or abruptly reduced into bracts.

10-50-flowered;

pedicel 0.5-6 cm, glandular-puberulent;

bracteoles 1-4(-8) mm from flowers, blue to green, awl-shaped, 5-14 mm, puberulent.

sepals dark bluish purple, sparsely puberulent, lateral sepals forward pointing, 13-23 × 5-8 mm, spurs ascending ca. 45°, downcurved apically, 10-18 mm;

lower petal blades ± covering stamens, 4-7 mm, clefts 2-3 mm;

hairs centered, mostly near base of cleft, sparse elsewhere, white or yellow.

sepals blue, purple, white, red, or yellow;

lower petal blades often same color as lateral sepals, usually greater than 1/5 length of lateral sepals (exceptions in red- and yellow-flowered species).

17-22 mm, 2.5-3 times longer than wide, puberulent.

wing-margined;

seed coat cells narrow but short, surfaces pustulate.

= 16.