Flora of North America species comparison

and herbage strigulose, hairs basifixed or obscurely malpighian.

and herbage strigulose, hairs malpighian.

(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.

0.9–2.4 cm;

stipules 1–12 mm;

leaflets (3 or)5(or 7), blades 4–15 mm, surfaces pubescent.

subobsolete to 0.2 cm.

0.2–0.6 cm.

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.

7.3–10 mm;

calyx 6–8.3 mm, tube 2.4–3.3 mm, lobes subulate, spinulose, 3.4–5 mm;

corolla pink-purple.

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

subsymmetrically ellipsoid, lanceoloid- or oblong-ellipsoid, (5–)7–10 × 2.8–4 mm.

2 or 3(or 4).

4–8.

= 24.

= 24.