Flora of North America species comparison

erect or ascending, sparsely strigulose.

few, weakly ascending, 2–10 cm underground, 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–)4–9.5 cm;

stipules usually distinct, rarely very obscurely connate, 1.5–5 mm, papery-membranous at proximal nodes, herbaceous at distal nodes;

leaflets (7 or)9–13, blades broadly ovate-oblong or oblong-elliptic, (3–)4–15(–18) mm, apex retuse or emarginate to obcordate, surfaces sparsely strigose or glabrous.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

5–12-flowered, flowers spreading to declined;

axis 1–3 cm in fruit;

bracts 1–2 mm;

bracteoles 0–2.

(2–)4–11 cm.

incurved-ascending, (2–)3–6(–8) cm.

0.6–1.5 mm.

1–2.2 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.

8.8–10.4 mm;

calyx 4–5.9 mm, strigose, tube 2–3 mm, lobes subulate, 1.8–2.9 mm;

corolla whitish, suffused purplish, keel tip maculate;

keel 7.8–9.8 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 to spreading, green or purplish becoming stramineous, straight, subsymmetrically ellipsoid or ovoid-ellipsoid, moderately inflated, dorsiventrally compressed, 15–17 × 7–8 mm, semibilocular, thin becoming papery, strigulose;

septum partial, to 1.6 mm wide.

12–16.

16–20.

= 24.