Flora of North America species comparison

dimorphic, with elongate primary and short axillary shoots.

of 2d-year stems brown, densely tomentose.

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.

present, pedately 5-9-fid.

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

bracteoles membranous, apex acuminate.

anther filaments without distal pair of recurved lateral teeth.

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

scales 2-4 mm, deciduous.