Flora of North America species comparison

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

usually erect or ascending, sometimes diffuse, glabrous or sparsely hairy.

(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.

compound, unifoliolate, or reduced to phyllodia, 2.5–14.8 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 1–5 mm, papery-scarious;

leaflets (0 or 1–)3–5, lateral blades linear to oblong, 3–20 mm, apex acute, surfaces glabrate abaxially, glabrous adaxially;

terminal leaflet longer, decurrent, 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 5–12(–14)-flowered, flowers ascending to declined;

axis 2–5 cm in fruit;

bracts 1.2–3.5 mm;

bracteoles 2.

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

erect, 11–27(–29) cm.

2–7.5 mm.

2–5.5 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.

19–26 mm;

calyx 6–9.6 mm, sparsely strigose to glabrate, tube 5.2–7.5 × 3.6 mm, lobes triangular, (0.8–)1.1–2.1 mm;

corolla pale pink-purple, wing tips paler or white, keel maculate;

keel 12.2–13 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.

deflexed (through curvature of pedicel), stramineous, straight (and subsymmetric) or slightly decurved, oblong-ellipsoid, laterally compressed, 12–25 × 5–7.5 mm, leathery-woody, terminal cusp 2.5–4 mm), glabrous;

sessile.

34–77.

18–20.

= 22.