Flora of North America species comparison

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

decumbent to ascending, 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.

3–11(–13.5) cm;

stipules 1.5–4 mm, papery-scarious at proximal nodes, herbaceous at distal nodes;

leaflets (11 or)13–21(or 23), blades rarely flat, linear, linear-elliptic, narrowly oblong to oblong-elliptic, or oblanceolate, (2–)4–25(–27) mm, apex obtuse, retuse, or subacute, surfaces strigulose abaxially, strigulose, densely cinereous, or glabrous adaxially;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

(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.

loosely 5–15(–20)-flowered, flowers ascending;

axis 1–6(–9) cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 2.

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

incurved-ascending, 5–12(–15) cm.

2–7.5 mm.

0.8–2.5 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.

15–19 mm;

calyx deeply campanulate, 8.1–10.1 mm, loosely strigulose, tube 5.8–7.6 mm, lobes subulate, 1.8–3.3 mm;

corolla greenish white, drying ochroleucous, immaculate;

banner recurved through 45–50°;

keel 12–13 mm.

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.

pendulous, not set at angle to stipe, brownish, shallowly to deeply incurved or hamate, to 0.5 or 1 spiral, obliquely oblong or clavate-ellipsoid, subterete to somewhat obcompressed becoming dorsiventrally compressed, 20–40(–43) × 5–8.5(–9) mm, unilocular, thick becoming stiffly leathery or subligneous, glabrous;

stipe (6–)8–12 mm.

34–77.

26–33.