Flora of North America species comparison

erect or ascending, sparsely strigulose.

erect or ascending, loosely strigulose to 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.

3–10(–13) cm;

stipules (1–)2–7 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflet blades narrowly oblong-oblanceolate to linear-oblong, 5–18(–25) mm, apex retuse, surfaces strigulose to villosulous.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

12–35(–40)-flowered;

axis 2.5–10 cm in fruit;

bracts 1.5–6 mm;

bracteoles 0.

(2–)4–11 cm.

erect, (5–)7–15 cm.

0.6–1.5 mm.

0.8–2 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.

15–18.6 mm;

calyx gibbous-convex behind pedicel, 8–10.5 mm, villosulous or villous-tomentulose, tube 7.5–9 mm, lobes triangular, 1–2.1 mm;

corolla keel 11.5–14.3 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.

green becoming stramineous, 12–15 × (3–)3.4–4(–5.4) mm, stiffly leathery, glabrous or sparsely pilosulous;

stipe 6–10 mm, pilosulous.

12–16.