Flora of North America species comparison

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

few or several, ascending to erect, proximalmost internodes very short, strigulose or villosulous.

(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.

(4–)6–17 cm;

stipules obscuring proximal internodes, 3–11 mm, papery-membranous at proximal nodes, subherbaceous at distal nodes;

leaflets (7 or)9–17, blades obovate, lanceolate, or broadly elliptic to suborbiculate, 8–20(–26) mm, apex obtuse to emarginate, surfaces strigose or sparsely so abaxially, strigose, 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.

7–35-flowered, flowers ascending to declined;

axis 2.5–14(–25) cm in fruit;

bracts 2–6 mm;

bracteoles 0–2.

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

erect, 6–16 cm, together with racemes usually longer than leaves, often sub-basal and appearing scapelike.

2–7.5 mm.

1–3.5 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.

12–17(–18) mm;

calyx short-cylindric, 6–7.8 mm, black-pilosulous, tube 4.5–5.2 mm, lobes subulate, 1.2–2.7 mm;

corolla ochroleucous with keel tip dull purple, banner sometimes suffused with lavender, or pink-purple and wing tips pale or white;

keel 9.5–13 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.

persisting on receptacle until well after maturity, falling while still attached to pedicel, erect to ascending, straight or slightly incurved, narrowly oblong, subterete, laterally compressed when pressed, not grooved ventrally, 15–26(–30) × 4–6 mm, ± bilocular, fleshy becoming leathery, silky-pilose or villous, hairs 1+ mm;

septum 2.5–3.5(–4) mm wide;

stipe 0.5–1.5 mm.

34–77.

24–36.