Flora of North America species comparison

erect or ascending, strigulose.

decumbent to ascending, strigulose, villosulous, glabrous, or with few scattered hairs.

(4–)5–14 cm;

stipules 2–6(–7) mm, thinly herbaceous becoming papery;

leaflets (15–)19–25(or 27), blades elliptic, linear-elliptic, or oblanceolate, 2–14 mm, apex obtuse to subacute, truncate-apiculate, or shallowly retuse, surfaces strigulose abaxially, glabrous adaxially.

2.5–9 cm;

stipules distinct, (1–)1.5–5 mm, scarious at proximal nodes, herbaceous at distal nodes;

leaflets (9 or)11–21(–25), blades obovate-cuneate, oblong-obovate, or elliptic to broadly oblanceolate, (7–)9–19(–21) mm, apex retuse or truncate to obtuse, surfaces strigulose or villosulous abaxially, strigose to glabrescent or glabrous adaxially.

(5–)8–20-flowered;

axis (2.5–)5–15 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0.

(5–)10–25(–35)-flowered, flowers retrorsely imbricate, ascending then nodding;

axis 2–10(–13) cm in fruit;

bracts 0.7–2.5 mm;

bracteoles 0.

ascending, often incurved, (7–)10–18(–20) cm.

erect or arcuate-erect, 4–15 cm.

1–4 mm.

1–3.5 mm.

11.7–15.2 mm;

calyx 6.6–8.8 mm, strigose, tube 4.5–6 mm, lobes lanceolate-subulate, 1.8–3.5 mm;

corolla ochroleucous, immaculate;

banner recurved through 50–85°;

keel (9.5–)10–11.7 mm.

13.5–21 mm;

calyx broadly campanulate to broadly cylindric (gibbous-saccate or gibbous-truncate), 6.1–13.6 mm, strigulose or villosulous, marcescent, tube 5.4–11.9 mm, marcescent, lobes triangular, 0.4–2.3 mm;

corolla ochroleucous, white, or lemon yellow;

banner recurved through 45°;

keel 9.4–15.2 mm.

pendulous, stramineous, straight or gently incurved, linear-ellipsoid, 3-sided and laterally compressed, lateral face flat, dorsal face grooved, (25–)30–45 × 2.5–3.3 mm, length mostly 10 times width, papery, finely strigulose;

septum 1.6–2.3 mm wide;

stipe 6–15 mm.

pendulous, green or purple-spotted becoming brown-stramineous, hamately or lunately incurved or, rarely, coiled through 1.5 spirals, narrowly oblong, laterally compressed, 14–35 × (2.7)3–4.5(–5.5) mm, stiffly papery or thinly leathery, usually glabrous, villosulous, or strigulose, rarely glabrate;

stipe 6–20 mm.

(16–)18–30.

14–25(–28).

= 24.