Flora of North America species comparison

4.5–30+ cm;

stipules 0.4–0.5 cm, with inconspicuous inner fold 2/3 its length, inner fold and base often with stipitate, multicellular glands and long, simple hairs;

pulvinus less than 1/2 as long as petiole;

rachis ± appressed-pilose, with or without stipitate glands in canal, stipitate gland present at petiolule base;

stipels narrow, gland tipped;

leaflets 14–40, blades elliptic to oblong-obovate, base acute-obtuse, apex truncate to obtuse, surfaces glabrous or sparsely pubescent abaxially, usually glabrous adaxially.

8–30+ cm;

stipules 0.9–1.1 cm, with inconspicuous inner fold 2/3 its length, inner fold and base often with stipitate, multicellular glands or glabrous;

pulvinus as long as petiole;

rachis ± glabrous, without stipitate glands, obscure gland sometimes present at petiolule base;

stipels absent;

leaflets 16–50+, blades elliptic-ovate to oblong, base acute, apex rounded-obtuse, surfaces usually glabrous.

5–15+-flowered, racemes.

1–6+-flowered, racemes.

(1.1–)2.1–2.4(–3.3) cm.

(3.7–)6.4–7.4(–12.2) cm.

(1.8–)2–2.2(–2.5) cm;

calyx ± zygomorphic, usually absent at fruit maturity, lobes 5, short and broad, sinuses shallow, rim of tube glabrous, stalked glands absent;

corolla orange-grenadine-red;

banner ovate, base truncate, apex emarginate, calluses as relatively small, acute teeth at claw base;

wings without basal tooth;

keel ± same color throughout, apex rounded-obtuse, curved upward, without basal tooth;

stamens curved upward within keel;

style curved upward with stamens;

ovules 6 or 7(–10).

(8–)8.4–9(–9.7) cm;

calyx ± zygomorphic, ± persistent in fruit, lobes 5, short-acuminate, rim of tube glabrous, stalked glands sometimes present between lobes;

corolla yellow-orange, banner base with bright yellow spot, wings and keel usually darker;

banner ovate, base truncate, apex emarginate, calluses absent or as relatively small teeth at claw base, thickened, knoblike at base of blade/top of claw;

wings with basal tooth;

keel apex ± darker, acute, curved upward to slightly inward, without basal tooth;

stamens incurved within keel;

style recurved;

ovules 1–3.

red-brown, with or without horizontal mottling, 4-angled, square in cross section, ± straight, with pronounced, spreading wings, torulose or not, (5.2–)8.8–9.5(–10.7) × (0.7–)0.8(–9) cm, seed compartments slightly pronounced externally in age, beak long-pyramidal to triangular, (0.5–)0.9–1(–1.4) cm, tardily dehiscent;

stipe (0.8–)1.1–1.2(–1.6) cm.

tan-brown, often with horizontal mottling in age, flattened-inflated, flat to elliptic in cross section, straight, (4.5–)6.1–6.7(–8.2) × (1.1–)1.2–1.3(–1.6) cm, beak gradually tapered, flattened, (0.4–)0.5–0.6(–0.7) cm, tardily dehiscent;

stipe (0.8–)1.1–1.2(–1.5) cm.

(1–)6 or 7(–10), red-brown to gray, without mottling, globose to reniform-orbicular.

1 or 2(or 3), gray-brown to reddish, without mottling, reniform, not easily released, enveloped in indehiscent, papery endocarp.

= 12.

= 12.