Flora of North America species comparison

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

erect or ascending, distalmost internode longer than others combined, strigulose-pilose.

(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.

(6.5–)8–22(–30) cm;

stipules connate-sheathing at proximal nodes, mostly connate at distal nodes, 2.5–7 mm, papery-membranous;

leaflets (13–)17–27(–33), blades linear-oblong, lanceolate, lanceolate-elliptic, or oval-oblong, 4–21(–25) mm, apex obtuse, truncate-emarginate, apiculate, or acute, surfaces strigulose-pilose abaxially, usually glabrous or glabrescent adaxially.

(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.

(7–)10–19-flowered, flowers ascending initially;

axis (2.5–)4–12 cm in fruit;

bracts 1.5–4.5(–6) mm;

bracteoles 2.

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

stiffly erect, (7–)10–30 cm, together with racemes longer than stems.

2–7.5 mm.

2.7–6 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.

(13.2–)14–20.7 mm;

calyx campanulate, (7.8–)8–12.2 mm, pilosulous, tube (4.7–)5.3–7.5 mm, lobes lanceolate-subulate, (2.4–)2.7–5.1 mm;

corolla white or whitish, drying yellowish, immaculate or keel tip purplish;

banner recurved through 90°, oblong-oblanceolate, rhombic-oblanceolate, elliptic, oblong-ovate, or somewhat quadrately ovate-cuneate, (13.2–)14–20.7 mm, apex usually deeply notched;

keel 10–13(–13.7) 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.

brownish, straight or slightly incurved, ovoid-acuminate to oblong-ellipsoid, somewhat obcompressed, (10–)15–22 × (5–)6–11 mm, sub-bilocular, thick and fleshy becoming stiffly leathery or woody, glabrous;

septum 0.6–2 mm wide;

sessile.

34–77.

(20–)22–35.