Flora of North America species comparison

erect or ascending, sparsely 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.

1–6 cm;

stipules 3–7 mm;

leaflets 3–11, blades obovate to oblanceolate or orbiculate, 1.5–8 mm, apex round to obtuse or acute, surfaces strigose.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

2–10-flowered;

axis to 1 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0.

(2–)4–11 cm.

ascending, 0.4–3 cm.

0.6–1.5 mm.

ascending, 1–2 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.

10–15.5(–17.5) mm;

calyx cylindric, 5.5–8.9 mm, strigose, tube 4.1–6.8 mm, lobes subulate, 1.4–1.7 mm;

corolla usually white or ochroleucous, sometimes fading yellowish, suffused with purple, sometimes purple, keel tip maculate;

banner recurved through 40°;

keel (9–)10–12.5 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.

ascending, green, straight or slightly incurved, obliquely ovoid or lanceoloid-ovoid, somewhat dorsiventrally compressed, (8–)11–19 × 3–8 mm, unilocular, distinctly beaked, thinly fleshy becoming papery, sometimes incipiently alveolate-spongy, walls much less than 1 mm thick, strigose.

12–16.

18–33.