Flora of North America species comparison

single or few, decumbent-ascending, glabrous or sparsely strigose.

erect and incurved-ascending, strigulose.

4.5–11 cm;

stipules 5–10 mm, papery at proximal nodes;

leaflets 11–21(or 23), blades obovate-cuneate, ovate, broadly oblong-elliptic, or suborbiculate, 5–20 mm, apex obtuse or emarginate, surfaces glabrous or glabrate and glaucescent.

(2.5–)3–8 cm;

stipules connate at proximal nodes, connate or distinct at distal nodes, 1.5–5.5 mm, papery-membranous;

leaflets (11–)17–25, blades oval-oblong, oblanceolate, narrowly obovate, ovate, or narrowly oblong-elliptic, (3–)4–11 mm, apex obtuse, truncate, or retuse, surfaces strigulose abaxially, glabrous adaxially.

10–25-flowered, flowers declined;

axis 3–12 cm in fruit;

bracts 3–6 mm;

bracteoles 2.

(10–)15–25(–30)-flowered;

axis (2.5–)6–18(–22) cm in fruit;

bracts 1–2.5 mm;

bracteoles 0.

incurved-ascending, 3–8.5 cm.

erect or incurved, (2–)4–11 cm, together with racemes usually shorter than stems.

0.6–2 mm.

0.8–1.8 mm.

12–15 mm;

calyx short-cylindric, 5.9–7.6 mm, strigulose, tube 4.5–5.6 mm, lobes subulate, 1.3–2.5 mm;

corolla reddish purple with white or lilac wing tips;

keel 9.5–10.6 mm.

6.3–7.2 mm;

calyx marcescent, 3.2–4.1 mm, strigulose, hairs white, black, or fuscous, tube 2.1–2.6 mm, lobes subulate or triangular-subulate, 1–1.6 mm;

corolla whitish, sometimes tinged with lavender;

banner abruptly incurved through 100°;

keel 4.6–5.5 mm.

spreading-ascending (humistrate), green suffused or dotted red becoming stramineous, straight to incurved, oblong or broadly oblong-ovoid, obcompressed, 15–37 × 8–21 mm, ± bilocular, fleshy becoming papery, stiffly leathery, or subligneous, glabrous;

septum to 3.5 mm wide;

stipe 5–8 mm.

stramineous, straight or nearly so, linear-oblong or ellipsoid, obscurely 3-sided compressed, 13–22 × 3.2–4.1 mm, incompletely bilocular, papery, black-strigulose;

valves inflexed as nearly complete septum 0.8–1.5 mm wide;

stipe 2.2–5 mm.

(27–)30–36.

7–13.

= 22.