Flora of North America species comparison

and herbage strigulose, hairs basifixed.

and herbage strigulose, hairs basifixed or obscurely malpighian.

0.4–1.5(–2) cm;

stipules somewhat dimorphic, 2–7 mm;

leaflets 3(–7), blades 3–7 mm.

(0.7–)1–2.5 cm;

stipules dimorphic, those at proximal nodes connate into short, bidentate sheath, those at distal nodes longer, connate at base only, lanceolate or lanceolate-acuminate, often without spines, 2–7 mm;

leaflets 5 or 7, blades 7–12 mm, surfaces pubescent abaxially, glabrous or glabrescent adaxially.

0.2–0.6 cm.

subobsolete to 0.2 cm.

4–5.6 mm;

calyx 2.4–3.2 mm, tube 1.6–1.9 mm, lobes subulate to setaceous, 0.8–1.3 mm;

corolla purple or whitish and keel purple.

4–5.5 mm;

calyx 3.4–4 mm, tube 1.9–2.4 mm, lobes subulate to setaceous, 1.4–2 mm;

corolla whitish.

subsymmetrically lenticular, 3.5–5 × 2–2.5 mm.

subsymmetrically ovoid-lenticular, (3.5–)4–7 × 2.4–3.8 mm.

5–8.

2 or 3(or 4).

= 24.

= 24.