Flora of North America species comparison

erect or ascending, sparsely strigulose.

single, erect or prostrate to ascending, strigulose.

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

(2–)3–8 cm;

stipules distinct, 1–4 mm, papery;

leaflets 7–13, blades broadly or narrowly elliptic or oblanceolate, (3–)5–15 mm, apex obtuse, shallowly emarginate, or subacute, surfaces strigulose, sometimes glabrescent adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

6–10-flowered, flowers loosely ascending or in age declined;

axis (1–)1.5–3.5(–4) cm in fruit;

bracts 1–2 mm;

bracteoles 0–2, minute when present.

(2–)4–11 cm.

ascending, 2–5 cm.

0.6–1.5 mm.

1–2 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

7.8–10.4 mm;

calyx often purplish, campanulate, 4–4.6 mm, strigulose, tube 2.5–3.2 mm, lobes subulate, 1.2–2 mm;

corolla pink-purple;

banner recurved through 90°;

keel 5.9–6.6 mm, apex blunt.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

horizontal or declined, stramineous, straight or slightly incurved, plumply ovoid or broadly oblong-ellipsoid, bladdery-inflated, subterete, (13–)15–25 × 11–15 mm, thin becoming papery-membranous, translucent, somewhat lustrous, sparsely strigulose, hairs straight, appressed;

seed-bearing flange 1–2.5 mm wide;

gynophore to 2 mm.

12–16.

19–24.

= 22.