Flora of North America species comparison

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

erect or ascending, with 5–10 well-developed internodes, glabrous or glabrate.

(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.

(4.5–)7–17 cm;

stipules 0.5–2.5 mm, papery-membranous at proximal nodes, herbaceous and membranous-margined at distal nodes;

leaflet blades narrowly oblong, lanceolate-elliptic, narrowly oval, or sublinear, (3–)6–26 mm, apex retuse to obtuse, surfaces sparsely strigulose-pilosulous or, sometimes, glabrous adaxially or ciliate.

(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.

(12–)15–40-flowered;

axis 5–15(–18) cm in fruit;

bracts 1–3 mm;

bracteoles 0.

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

erect or incurved-ascending, 6–15 cm, together with racemes shorter than stems.

2–7.5 mm.

0.6–3 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.

(13.5–)14.4–18.8 mm;

calyx (5.7–)6–8.3 mm, strigulose, tube (4.7–)5–6.3 mm, lobes triangular to subulate, 1–2.3 mm;

corolla banner recurved through 40°;

keel 12.5–15 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 stramineous, strongly incurved, 23–31 × 4.5–6 mm, fleshy becoming stiffly leathery or subligneous, glabrous;

septum 0.8–1 mm wide.

34–77.