Flora of North America species comparison

usually ascending, rarely decumbent, 0–2 cm underground, strigulose to pilose-villosulous.

decumbent, strigulose.

2.5–12 cm;

stipules 1.5–6 mm, papery at proximal nodes, herbaceous or submembranous at distal nodes;

leaflets (5 or)7–17, blades lanceolate to oblong, (3–)5–30(–32) mm, apex obtuse or emarginate, surfaces usually strigulose, sometimes villous-pilosulous, cinereous, glabrate, or glabrous abaxially, glabrous, glabrescent, or sparsely strigose adaxially.

1.5–4 cm;

stipules 1–1.5 mm, herbaceous becoming papery;

leaflets 11 or 13, blades obovate, 2–4.5 mm, apex obtuse, surfaces strigulose abaxially, glabrous adaxially.

(3–)5–25(–33)-flowered;

axis 1–18(–20) cm in fruit, elongating little after flowering, arising distal to middle of stem;

bracts 1–3.5 mm;

bracteoles usually 0.

8–18-flowered, flowers ascending;

axis 1–2.5 cm in fruit;

bracts 1.3–2.5 mm;

bracteoles 0.

incurved-ascending or erect, 3.5–21(–23) cm, usually surpassing subtending leaf, together with racemes usually shorter than stems.

prostrate and radiating in fruit, 5–7 cm.

0.5–3 mm.

1.5 mm.

(6–)7.2–11.5 mm;

calyx 4–6.8 mm, strigulose, tube 3.2–4.5 mm, lobes subulate, 0.7–2.3 mm;

corolla usually purple, pink-purple, pink, lilac, lavender, or whitish, sometimes whitish with maculate keel;

wing apex obtuse;

keel 5.4–7.9 mm, shorter than wings.

7.5–8 mm;

calyx 6 mm, strigulose-villosulous, tube 3 mm, lobes subulate, 2.8 mm;

corolla pink-purple or bluish lavender;

banner recurved through 45°;

keel 5.8–6.2 mm, apex bluntly deltate.

pendulous, green or purplish, straight or slightly decurved, ellipsoid, obtusely 3-sided, faces slightly convex, flattened or depressed but not sulcate abaxially, 13–25 × 3.5–5.5 mm, subunilocular or semibilocular, papery-membranous, sparsely strigulose, hairs black or black and white;

valves inflexed as hyaline septum 0.2–2 mm wide;

stipe (0.5–)1.5–6.5 mm.

disjointing from receptacle when mature, ascending, stramineous, slightly incurved, narrowly lanceoloid, 3-sided compressed, 7–9 × 2–2.5 mm, thin becoming stiffly papery, loosely strigulose.

6–11.

6.