Flora of North America species comparison

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

single or few and clustered, sprawling to erect, 3–40+ cm underground, densely strigulose or ashen or silvery-canescent.

(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.

sometimes reduced to phyllodia distally, 2–17 cm;

stipules connate-sheathing and subscarious at proximal nodes, mostly connate and herbaceous at distal nodes, 1.5–9 mm;

leaflets (0 or 1)3–13, blades narrowly oblong to filiform, 3–50(–80) mm, apex obtuse to retuse or acute, surfaces strigulose, hairs very slightly spreading;

terminal leaflet continuous with rachis distally, reduced to phyllodia.

(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.

2–15(–25)-flowered;

axis 1–8(–15) cm in fruit;

bracts 1–2.5 mm;

bracteoles 0.

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

divaricate and incurved, 0.7–7.5 cm.

2–7.5 mm.

0.7–3.1 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.

6.3–10.8 mm;

calyx campanulate, 3.1–6 mm, strigose, tube 2.1–3.5 mm, lobes subulate, 1–3 mm;

corolla usually dull purplish to pink, rarely whitish;

banner abruptly recurved through 85–90°;

keel 6.4–9.1 mm, apex narrowly triangular, subacute, sometimes beaklike.

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.

purple-mottled becoming purplish brown, straight or slightly curved, ellipsoid, bladdery-inflated, (10–)15–50 × 5–26 mm, papery, glabrous;

stipe 0–3.3 mm.

34–77.

12–29.