Flora of North America species comparison

1 or more, mostly 5-10 dm.

1-several, erect to ascending, 1-4 dm.

ca. 3, compound, 10 cm or more;

blade with 3 orders of leaflets and lobes; ultimate lobes broadly elliptic or less commonly ovate to obovate with rounded apex, sometimes narrowly elliptic with acute apex, 1-8 × 0.5-4 cm, minutely apiculate.

compound;

blade with 2-3 orders of leaflets and lobes; ultimate lobes oblong, elliptic, or obovate, margins sometimes incised, apex obtuse or rounded.

axillary or terminal, racemose or paniculate, 15-35-flowered on primary axis;

bracts inconspicuous, proximal bracts narrowly elliptic, distal linear and much reduced.

racemose, 6-18-flowered, primary racemes usually exceeding leaves, more numerous than secondary, fewer-flowered racemes;

bracts ovate, to 15 × 6 mm, proximal bracts sometimes leaflike, distal usually slightly to greatly reduced.

erect;

pedicel 2-5 mm;

sepals caducous, ovate to broadly lanceolate, 1-2 mm, margins lacerate or dentate;

petals light to deep pink; spurred petal usually somewhat curved, 20-25 mm, spur lanceoloid, 14-20 mm, crest well developed, usually exceeding petal apices, marginal wing absent; unspurred outer petal boat-shaped, 12-15 mm;

inner petals not tipped deep red or purple, usually 9-11 mm, blade much wider at apex, claw slender, equaling blade in length; nectariferous spur 1/2-2/3 length of petal spur, bent or hooked at apex;

style ca. 3 mm;

stigma roughly triangular, with 2 apical and 2 lateral papillae.

spreading, often strongly curved;

pedicel stout, 1-3 mm;

sepals ovate to attenuate-ovate, ca. 1 mm, margins often sinuate or dentate;

petals bright yellow; spurred petal 15-18 mm, spur not appreciably incurved, 7-9 mm, apex blunt, somewhat globose, crest well developed to absent, wrinkled or dentate, marginal wing well developed, unspurred outer petal bent, 12-15 mm, crest similar to that of spurred petal;

inner petals oblanceolate, 9-12 mm, claw slender, nearly 1/2 petal length; nectariferous spur clavate, 4-6 mm, bent near apex;

style ca. 5mm;

stigma rectangular, 2-lobed, 1/2 as long as wide, with 8 papillae.

reflexed, obovoid, 10-15 × 4-5 mm.

erect, linear, slender, straight to strongly incurved, 20-35 mm.

ca. 3.5 mm diam., with numerous small protuberances.

ca. 2 mm diam., appearing distinctly roughened or faintly reticulate under magnification, marginal ring present or essentially absent.

= ca. 130.