Flora of North America species comparison

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

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

5-9-foliolate;

petioles 1-5 cm.

blade obovate to spatulate, 1-veined from base, (0.5-)1.2-2.4 × 0.3-1(-1.8) cm, thin and flexible, base long-attenuate, margins plane, entire, apex rounded or obtuse;

surfaces abaxially dull, smooth, adaxially dull, scarcely glaucous.

blades thick and rigid;

surfaces abaxially dull, papillose, adaxially glossy, green;

terminal leaflet stalked, blade 2.6-6.6 × 1.7-4.4 cm, 1-2.5 times as long as wide;

lateral leaflet blades oblong to ovate or elliptic, 1-3-veined from base, base obtuse to rounded or truncate, margins plane to crispate, toothed, each with 3-5 teeth 1-5 mm tipped with spines to 1.2-3.8 × 0.2-0.6 mm, apex acute to rounded.

absent.

present, simple or 3-fid.

racemose, dense, 30-50-flowered, 2-7 cm;

bracteoles membranous, apex rounded or obtuse.

umbellate, 1-5-flowered, 1-1.5 cm;

bracteoles membranous, apex acute.

anther filaments with distal pair of recurved lateral teeth.

anther filaments without distal pair of recurved lateral teeth.

blue, glaucous, oblong-ovoid, 6-11 mm, juicy, solid.

red, ellipsoid or spheric, (7-)9-10 mm, juicy, solid.

scales 2-6 mm, deciduous.

scales 1-2 mm, deciduous.