Flora of North America species comparison

usually erect or ascending, sometimes decumbent, rarely prostrate, usually sparsely strigulose, sometimes pilosulous.

erect, strigulose-cinereous.

2–9 cm;

stipules connate-sheathing and papery at proximal nodes, connate or distinct and herbaceous or submembranous at distal nodes, usually black or blackish when dry, 1.5–7 mm;

leaflets 11–21, blades narrowly oblong to elliptic, linear, oblanceolate, or obovate, 3–24 mm, apex acute to obtuse, mucronate, or emarginate, surfaces sparsely strigose abaxially, glabrous adaxially.

2–7 cm;

stipules 1–3 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets 5–9, blades linear to linear-oblong, 3–15 mm, apex obtuse to subacute, surfaces strigose, sometimes glabrescent adaxially.

(1–)3–23-flowered, often paired in leaf axils, flowers ascending;

axis 0.5–11 cm in fruit;

bracts 0.5–2.7 mm;

bracteoles 0–2.

(3–)7–30-flowered;

axis (1.5–)4–25 cm in fruit;

bracts 0.6–1.5 mm;

bracteoles 0.

narrowly ascending or incurved, 0.2–4 cm.

divaricate and incurved-ascending, (3–)5–15 cm.

0.7–3.2 mm.

1–2 mm.

6–9(–11) mm;

calyx 2.6–5.2 mm, strigose, tube 2–2.7 mm, lobes subulate, 0.7–2.5 mm;

corolla usually white to ochroleucous, sometimes pink-purple;

banner recurved through 40°;

keel 4.3–5.7(–6.5) mm.

6.3–8 mm;

calyx 2.6–3.2 mm, strigose, tube 2.3–2.8 mm, lobes deltate or subulate, 0.3–0.8 mm;

corolla ochroleucous, concolorous;

keel 6.3–7.4 mm.

pendulous, green, often brown- or red-mottled, becoming brown or black, straight or curved, ellipsoid to oblong, laterally flattened, 7–16 × 2.5–4.5 mm, papery, usually glabrous, sometimes strigose;

stipe 0.6–6 mm.

pendulous, pale green, often faintly purple-mottled, becoming stramineous, straight or falcately decurved, narrowly oblong or lanceoloid-oblong, 12–25 × 3–4(–5) mm, papery, strigulose;

stipe 4–8 mm.

3–9.

(6–)8–14.

= 16, 24.