Flora of North America species comparison

erect or ascending, sparsely strigulose.

few, erect or ascending, strigulose, cinereous.

(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.

4.5–8.5 cm;

stipules distinct, 1–2.5 mm, submembranous;

leaflets 7–11, blades lanceolate, oblong, or narrowly oblong-elliptic, 8–16 mm, apex obtuse or truncate, surfaces strigulose abaxially, glabrescent adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

4–7-flowered, flowers ascending becoming declined;

axis 1.5–3 cm in fruit;

bracts 1.5 mm;

bracteoles 0.

(2–)4–11 cm.

ascending or incurved, 1.5–2 cm.

0.6–1.5 mm.

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.

6–6.3 mm;

calyx campanulate, 4 mm, strigulose, tube 2.1–2.3 mm, lobes subulate, 1.8–2 mm;

corolla whitish faintly lined pink;

banner recurved through 80°;

keel 4.3–4.4 mm, apex bluntly deltate, obscurely beaklike.

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.

spreading to declined, pale green and faintly brown-mottled, becoming stramineous, straight, subsymmetrically ovoid or ovoid-ellipsoid, bladdery-inflated, slightly obcompressed, 20–27 × 11–15 mm, thin, lustrous, finely strigulose, hairs straight, appressed;

seed-bearing flange 3–3.5 mm wide.

12–16.

28–30.