Flora of North America species comparison

erect or ascending, sparsely strigulose.

diffuse, prostrate, ascending, or erect, sparsely villosulous.

(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.

(2.5–)4–17 cm;

stipules connate-sheathing at proximal nodes, mostly connate at distal nodes, 3–14 mm, membranous; short-petiolate or subsessile;

leaflets (21 or)23–43, blades obovate, obovate-cuneate, oblong-obovate, narrowly to broadly oblong, or oblanceolate, (2–)3.5–25(–28) mm, apex retuse, emarginate, obtuse, or obtuse and apiculate, surfaces villosulous, sometimes sparsely so or glabrous adaxially, rarely puberulent.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

(15–)20–90(–125)-flowered, flowers nodding;

axis 3–19 cm in fruit;

bracts 1.5–4(–5) mm;

bracteoles 0–2.

(2–)4–11 cm.

erect or incurved-ascending, (4–)6–15(–18) cm.

0.6–1.5 mm.

0.8–5.5(–7) 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.

(10–)11–15 mm;

calyx campanulate or ovoid-campanulate, gibbous abaxially, (5.5–)5.8–8.2(–9) mm, sparsely to densely villosulous or loosely strigulose, tube (4–)4.3–5.7(–5.9) mm, lobes broadly subulate or triangular, (1.1–)1.3–3(–3.1) mm;

corolla greenish white or cream;

keel (9.7–)10.5–14 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.

loosely spreading, ascending, or declined, pale green or minutely purple-dotted, becoming stramineous, obliquely ovoid, ovoid-ellipsoid, or semi-ovoid, semi-obovoid, or semi ovoid-ellipsoid, bladdery-inflated, (20–)25–55(–60) × 15–27 mm, thin becoming papery, lustrous, glabrous or villosulous;

sessile.

12–16.

(14–)16–38.

= 22.