Flora of North America species comparison

erect or ascending, sparsely strigulose.

erect or ascending, sparsely to densely strigulose.

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

(3–)4.5–18 cm;

stipules 3–11 mm, papery-scarious at proximal nodes, subherbaceous at distal nodes;

leaflets 11–25, blades ovate, oblong, elliptic, or narrowly oblong to linear, 5–26 mm, apex obtuse to retuse, surfaces strigose abaxially, usually glabrous adaxially, sometimes glabrate.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

(7–)10–26(–30)-flowered, flowers ascending to declined;

axis 4–10(–15) cm in fruit;

bracts 1.5–4 mm;

bracteoles 0–2.

(2–)4–11 cm.

erect, (1.5–)2.5–17(–35) cm.

0.6–1.5 mm.

spreading in fruit, 0.7–3.5 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

12–20 mm;

calyx short-cylindric, 5.4–9.5 mm, strigose, tube 4.4–8 mm, lobes triangular to subulate, 0.7–2.6 mm;

corolla ochroleucous, tinged pink, purplish, pink-purple, or red-violet, keel maculate or immaculate;

banner recurved through 45°;

keel 9.4–14.4 mm.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

usually erect, rarely deflexed, green or suffused or speckled with purple becoming brownish stramineous, oblong to ellipsoid, 3-sided compressed, grooved dorsally, keeled ventrally, 12–27(–30) × 3.5–8(–9) mm, base cuneate, ± bilocular, fleshy becoming thinly or stiffly leathery, glabrous;

septum 0.5–1.2 mm wide;

stipe 6–15(–17) mm.

12–16.

17–32.

= 22, 24.