Flora of North America species comparison

erect to ascending, with 3–7 well-developed internodes, strigulose-pilosulous.

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

7–19 cm;

stipules 3–10 mm, papery-scarious at proximal nodes, subherbaceous at distal nodes;

leaflets (17–)23–35(–39), blades oblong-obovate, elliptic, or nearly oblanceolate, 5–22 mm, apex retuse, obtuse, or subacute, surfaces strigulose-pilosulous 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.

10–30(–35)-flowered, flowers nodding;

axis (3–)6–16 cm in fruit;

bracts 2.5–9 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, (11–)16–30 cm, together with racemes usually longer than stems.

erect or arcuate-erect, 4–15 cm.

1.3–6 mm.

1–3.5 mm.

15.5–21.5 mm;

calyx short-cylindric, 8.5–12.6 mm, strigulose-pilosulous, tube 5.6–7.5 mm, lobes subulate, 2–5.2(–6) mm;

corolla ochroleucous, white, or creamy white, immaculate;

banner recurved through 45°;

keel 11.5–14.4 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.

erect, stramineous, straight or slightly incurved, narrowly oblong-ellipsoid, obcompressed, grooved dorsally, (15–)17–23 × (4–)4.5–6.3 mm, semibilocular, fleshy becoming leathery, usually strigulose, rarely glabrous;

septum 1–1.6 mm wide;

stipe 0–1.5 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.

(20–)24–31.

14–25(–28).

= 24.