Flora of North America species comparison

erect, decumbent, or incurved-ascending, with 2–4 much-elongated internodes, strigulose.

ascending or decumbent, 1–9 cm underground, sparsely strigulose.

(3–)5–17 cm;

stipules 4–7 mm, papery-scarious at proximal nodes, submembranous at distal nodes;

leaflets (11 or)13–21, blades oblong-obovate, ovate, linear-oblong, or linear-elliptic, 3–17 mm, apex truncate to deeply retuse or obtuse to subacute, surfaces strigulose.

(2–)3.5–18 cm;

stipules distinct, 3–10 mm, submembranous, glabrous abaxially;

petiolate or subsessile;

leaflets (11–)15–33, blades oblanceolate, oblong-oblanceolate, obovate, suborbiculate, or broadly oval to linear-elliptic, (2–)3–24 mm, apex obtuse, acute, subacute, or truncate-emarginate, sometimes apiculate, surfaces pubescent abaxially, glabrous or glabrescent adaxially.

7–25(–30)-flowered, flowers nodding;

axis 1.5–12(–16) cm in fruit;

bracts 1–2.5 mm;

bracteoles 0–2.

(5–)6–25(–35)-flowered, flowers ascending or slightly arched;

axis 1–7(–14) cm in fruit;

bracts 2.5–7.5 mm;

bracteoles 0–2.

incurved-ascending, 6–20(–24) cm.

ascending to spreading, (1.5–)2–16 cm.

0.7–5 mm.

2–7.5 mm.

(11.2–)12.5–16.6 mm;

calyx campanulate, 4.5–7 mm, strigulose, tube 3.8–5.5 mm, lobes subulate, 0.7–1.2(–1.5) mm;

corolla white, keel tip maculate;

banner recurved through 90°;

keel 8.8–10.7 mm.

(16–)16.5–25(–27) mm;

calyx usually broadly or deeply campanulate or cylindro-campanulate, rarely cylindric, (6.6–)7.7–14 mm, densely strigulose, pilosulous, ascending-pilose, or villosulous-tomentulose, tube (5.2–)5.6–9.7 mm, lobes subulate or triangular-subulate, (1.3–)1.7–4.2(–5.8) mm;

corolla pink-purple, red-purple, white, whitish (faintly lilac-tinged), lilac, ochroleucous, or suffused pinkish lilac;

keel (10.7–)12–20.7 mm.

erect, stramineous, ± straight or slightly incurved, narrowly oblong or ovoid-oblong, obcompressed, 12–17 × 3.3–6.3 mm, ± bilocular, fleshy becoming leathery, glabrous;

septum 0.7–1.1 mm wide;

sessile.

green, often red-mottled or suffused with red on adaxial surface, becoming brown or blackish, straight, globose, subglobose, broadly and plumply oblong-ellipsoid, oblong-ovoid, or oblong-obovoid, ± obcompressed, 15–40 × 12–27 mm, fleshy becoming alveolate-spongy or pithy, wrinkled on drying, mesocarp at least 1.2 mm thick, glabrous.

24–36.

34–77.