Flora of North America species comparison

of 2d-year stems light brown or grayish purple, glabrous.

of 2d-year stems purple, glabrous.

5-9(-11)-foliolate;

petioles 0.2-0.8(-3) cm.

blade narrowly elliptic, 1-veined from base, 1.7-4.6 × 0.6-1.7 cm, thin and flexible, base long-attenuate, margins plane, entire or toothed, each with 3-12 teeth 0-1 mm high tipped with bristles to 0.4-1.4 × 0.1-0.2 mm, apex acute to obtuse or rounded;

surfaces abaxially dull or glossy and smooth, adaxially dull or glossy and not glaucous.

blades thick and rigid;

surfaces abaxially dull, papillose, adaxially dull, glaucous;

terminal leaflet stalked in most or all leaves, blade 1-2.6(-4) × 0.7-1.8(-2.5) cm, 1-2.5 times as long as wide;

lateral leaflet blades elliptic to ovate or orbiculate, 1-3-veined from base, base obtuse or truncate, margins strongly crispate, toothed or lobed, with 2-5 teeth 2-6 mm high tipped with spines to 0.8-2.2 × 0.2-0.3 mm, apex obtuse to acuminate.

absent.

present, simple or 1-2-pinnately branched.

racemose, lax, 3-6-flowered, 2.5-6.5 cm;

bracteoles membranous, apex acuminate.

racemose, lax, 4-15-flowered, 1.5-4.5 cm;

bracteoles membranous, apex acuminate.

anther filaments with distal pair of recurved lateral teeth.

anther filaments without distal pair of recurved lateral teeth.

yellow or red to brown, ± glaucous, spheric, 12-18 mm, dry, inflated.

red, not glaucous, oblong-ellipsoid, 6-8 mm, juicy, solid.

scales 2-4 mm, deciduous.

scales 1-2 mm, deciduous.