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.

8–43+ cm;

stipules 0.8–0.9 cm, with conspicuous inner fold throughout, inner fold often with velutinous, stipitate glands, glands absent at base;

pulvinus at least 1/2 as long as petiole;

rachis glabrescent or glabrous, with stipitate glands at base of leaflets in canal (not between leaflet pairs);

stipels long, narrow, glandular;

leaflets 10–20–50+, blades ligulate to elliptic-oblong, base obtuse to acute, apex emarginate to truncate, surfaces usually glabrous, sometimes with close-pressed, golden hairs.

5–15+-flowered, racemes.

1–12+-flowered, racemes or panicles.

(1.1–)2.1–2.4(–3.3) cm.

(1.2–)1.9–2.3(–3.1) 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).

(5.1–)6.3–7(–7.9) cm;

calyx zygomorphic, ± bilabiate, lobes 0 or 5, rounded or obsolete, rim often with sinuous hairs from inner surface, with short, straight, close-pressed hairs on outer surface near teeth, stalked glands absent from rim, absent in fruit;

corolla white or red-crimson;

banner oblong, base truncate to cordate, apex emarginate, calluses as shallow ridges along claw;

wings without basal tooth;

keel ± same color throughout or claw white and blade pink or scarlet, apex acute-rounded, curved upward to slightly inward, with basal tooth;

stamens curved upward within keel;

style curved upward with keel;

ovules 27–48.

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.

brown-tan, without mottling, flattened parallel to sutures, rectangular in cross section, straight to falcate, (35.1–)38.7–43.8(–49.7) × (0.5–)0.7–0.8(–0.9) cm, beak gradually tapered, flattened, (0.6–)1–1.7(–2) cm, tardily dehiscent;

stipe (4.3–)4.4–4.5(–4.6) cm.

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

(27–)35–40(–46), yellow-green or brown to reddish, without mottling, reniform-orbicular.

= 12.

= 12.