Flora of North America species comparison

of 2d-year stems brown, densely tomentose.

of 2d-year stems purple, glabrous.

blade obovate, 1-veined from base, 1.7-3 × 0.9-1.2 cm, thick and rigid, base acute or acuminate, margins reflexed, undulate, toothed or shallowly lobed, each with 2-4 teeth or lobes 1-3 mm high tipped with spines to 1.2-1.6 × 0.2-0.3 mm, apex obtuse or rounded;

surfaces abaxially glossy, smooth, adaxially glossy, green.

5-7-foliolate;

petioles 1.5-5 cm.

blades thick and rigid;

surfaces abaxially dull, papillose, adaxially dull, ± glaucous;

terminal leaflet stalked, blade 4.4-5.5 × 3.1-4.6 cm, 1.1-1.4 times as long as wide;

lateral leaflet blades oblong or circular, 1-5-veined from base, base truncate or cordate, margins undulate or crispate, toothed, each with 9-15 teeth 1-3 mm tipped with spines to 1.4-2.4 × 0.2-0.4 mm, apex truncate or broadly rounded.

present, pedately 5-9-fid.

absent.

racemose, rather dense, 10-20-flowered, 3-4 cm;

bracteoles membranous, apex acuminate.

racemose, dense, 25-35-flowered, 3-6 cm;

bracteoles membranous, apex obtuse or rounded.

anther filaments without distal pair of recurved lateral teeth.

anther filaments distally with pair of recurved teeth: author had no data available.

dark purple, spheric, 6-7 mm, juicy, solid.

dark blue, glaucous, ovoid to elliptic, 7-9 mm, juicy, solid.

scales 2-4 mm, deciduous.

scales 3-6 mm, deciduous.

= 28.