Flora of North America species comparison

decumbent to ascending or erect, strigulose.

erect, stiffly ascending, or basally decumbent, 0–4 cm underground, strigulose.

3.5–10 cm;

stipules 1–2.5 mm, thinly herbaceous becoming papery;

leaflets (3–)9–19, blades oblong to linear or oval, 3–13 mm, apex obtuse to retuse, surfaces strigose abaxially, glabrous adaxially.

(2.5–)3.5–10(–12) cm;

stipules connate at proximal nodes, distinct at distal nodes, 2.5–6 mm, submembranous becoming papery-scarious;

leaflets (13 or)15–25, blades orbiculate, ovate, obovate, lanceolate-elliptic, or oblong-elliptic, (2–)3–12 mm, apex rounded to emarginate, surfaces pubescent abaxially, glabrous adaxially.

9–25-flowered, flowers ascending to declined;

axis 1.5–14(–17) cm in fruit;

bracts 0.8–1.5 mm;

bracteoles 0.

densely becoming loosely (15–)20–45-flowered;

axis 2.5–6 cm in fruit;

bracts 1.2–2.5 mm;

bracteoles 0–2.

ascending, 1.5–7.5 cm.

erect to ascending, 3.5–6(–10) cm, together with racemes usually shorter than stems.

0.8–1.5 mm.

1–1.3 mm, 1.2–1.5 mm in fruit.

6.5–8.5 mm;

calyx 3.5–4.2 mm, strigose, tube 2.5–3.5 mm, lobes triangular, 0.7–1.1 mm;

corolla pink-purple with white wing tips;

banner recurved through 50–90°;

keel 5–6 mm.

9.6–10 mm;

calyx marcescent, 4.5–5.1 mm, strigulose, hairs black, sometimes also white, tube 3.3–4 mm, lobes triangular-subulate, 0.8–1.3 mm;

corolla ochroleucous, fading yellowish, keel immaculate;

banner gently incurved through 45–50°;

keel 6.4–7.6 mm.

pendulous, stramineous, incurved or straight, oblong, 3-sided compressed, 10–15(–17) × 2.2–3 mm, thinly fleshy becoming papery, strigose;

septum 0.8–1 mm wide;

stipe 1.4–2.5 mm.

persisting and dehiscent on plant, slightly incurved, obliquely ellipsoid, laterally compressed and bluntly 3-sided, 10–15 × 4.5 mm, incompletely bilocular, thinly papery, strigulose;

valves inflexed as hyaline septum 0.4 mm wide;

stipe 5–6 mm.

10–13.

6–10.

= 22.

= 22.