Flora of North America species comparison

erect or ascending, sparsely strigulose.

decumbent or prostrate, strigulose to villosulous.

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

2.5–7.5(–9) cm;

stipules 1.5–4 mm, papery-membranous;

leaflets (13–)17–25(or 27), blades broadly elliptic, oval, or oblong, 1–6.5 mm, apex obtuse or retuse, surfaces strigulose to villosulous, sometimes glabrous or glabrescent adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

loosely (4–)6–12-flowered;

axis 1–7 cm in fruit;

bracts 0.5–1.8 mm;

bracteoles 0.

(2–)4–11 cm.

0.5–5.5 cm.

0.6–1.5 mm.

1–1.6 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

5.3–6.8 mm;

calyx 2.9–3.8 mm, strigose, tube 2.1–2.3 mm, lobes subulate, 0.8–1.5 mm;

corolla whitish or ochroleucous, banner veined purplish;

banner recurved through 45–85°;

keel 4–5 mm.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

pendulous, stramineous, slightly incurved, nearly lanceoloid-ellipsoid or oblong-ellipsoid, 3-sided compressed, 7–12 × 2–3.8 mm, papery, strigulose;

septum 0.7–1.2 mm wide;

stipe 1.5–4 mm.

12–16.

6–12.

with racemes shorter than leaves.