Flora of North America species comparison

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

of 2d-year stems tan, glabrous.

5-9(-11)-foliolate;

petioles 0.2-0.8(-3) cm.

5-9-foliolate;

petioles 2-8 cm.

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.

blades thick and rigid;

surfaces abaxially smooth, shiny, adaxially dull, gray-green;

terminal leaflet stalked, blade 6.5-9.3 × 4-7 cm, 1.3-2.3 times as long as wide;

lateral leaflet blades ovate or lance-ovate, 4-6-veined from base, base truncate or weakly cordate, margins plane, toothed, with 2-7 teeth 3-8 mm tipped with spines to 1.4-4 × 0.3-0.6 mm, apex acuminate.

absent.

absent.

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

bracteoles membranous, apex acuminate.

racemose, dense, 70-150-flowered, 5-17 cm;

bracteoles ± corky, apex rounded to acute.

anther filaments with distal pair of recurved lateral teeth.

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

dark blue, glaucous, oblong-ovoid, 9-12 mm, juicy, solid.

scales 2-4 mm, deciduous.

scales 11-13 mm, persistent.