Flora of North America species comparison

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

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

blade oblanceolate or sometimes narrowly elliptic, 1-veined from base, 1.8-7.5 × 0.8-3.3 cm, thin and flexible, base long-attenuate, margins plane, toothed, each with 3-12 teeth 0-1 mm high tipped with bristles to 0.2-1.2 × 0.1-0.15 mm, apex rounded or rounded-obtuse;

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

5-9-foliolate;

petioles 1-5 cm.

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.

present, simple or 3(-7)-fid.

absent.

racemose, lax, 3-12-flowered, 2-5.5 cm;

bracteoles membranous, apex acuminate.

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

bracteoles membranous, apex rounded or obtuse.

anther filaments without distal pair of recurved lateral teeth.

anther filaments with distal pair of recurved lateral teeth.

red, oblong-ellipsoid, 10 mm, juicy, solid.

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

scales 1-1.5 mm, deciduous.

scales 2-6 mm, deciduous.

= 28.