Flora of North America species comparison

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

obscured by stipules.

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.

0.5–6(–6.5) cm;

stipules 5–10 mm, hyaline, proximally pilose abaxially;

leaflet blades spatulate to narrowly lanceolate, 2–20 mm, apex acute, surfaces silvery-pilose.

(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.

2–6(–10)-flowered;

axis very short;

bracts 1.5–5 mm;

bracteoles 0.

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

0–1 cm.

0.5–3 mm.

1–3.5 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.

8.2–11.5 mm;

calyx campanulate to turbinate-campanulate, 4.5–6.9 mm, densely silvery-pilose, tube 1.8–3.5(–3.8) mm, lobes lanceolate-subulate, 1.8–3.5 mm;

corolla usually pink-purple, rarely white;

banner recurved through 90°;

keel 4.4–7.2 mm, apex obtuse.

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.

ascending, ovoid-ellipsoid, slightly compressed, 4–5 × 1.2–2 mm, papery, densely silky-strigose or silky-pilose.

6–11.

6–12.