Flora of North America species comparison

erect or ascending;

strigose.

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

most reduced to phyllodia, continuous with rachis, 2–10 cm;

stipules distinct throughout, 2–13 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets 0–(1–13), blades linear, elliptic, or oblong, 1–15 mm, apex acute to obtuse or emarginate, surfaces strigose;

terminal leaflet decurrent distally, not jointed to rachis.

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.

6–30-flowered, flowers ascending;

axis 3–30 cm in fruit;

bracts 1.3–3 mm;

bracteoles 0–2.

(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.

erect or incurved-ascending, 6–23 cm.

erect or arcuate-erect, 4–15 cm.

1.5–3.5 mm.

1–3.5 mm.

10–15.5 mm;

calyx suffused with purple or very pale, shortly cylindric, 4.1–8(–8.5) mm, white-strigose, tube 3.4–5.2(–6) × 1.9–2.9(–3.4) mm, lobes triangular to subulate, 0.6–2.2 mm;

corolla pale pink or whitish to pink-purple;

banner recurved through 40–45°;

keel 9–12.3 mm, apex obtuse to subacute, not beaklike.

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 or suffused with purple or mottled, slightly curved or straight, oblong to lanceoloid-ellipsoid, laterally compressed, 14–32 × 4–8 mm, stiffly papery, glabrous or strigose;

stipe 0–0.6 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.

16–26.

14–25(–28).

= 22.