Flora of North America species comparison

erect or ascending, sparsely strigulose.

obscured by stipules.

(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.

1–4(–5) cm;

stipules 4–8 mm, hyaline, glabrous abaxially;

leaflet blades narrowly spatulate to narrowly lanceolate, 3–12 mm, apex acute, surfaces silvery-strigose.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

(1 or)2–4-flowered;

axis 0.5–1.5 cm in fruit;

bracts 1.8–3.5 mm;

bracteoles 0.

(2–)4–11 cm.

erect, 0.7–2.2 cm.

0.6–1.5 mm.

0.7–1.5 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.

(9.5–)10.5–16.7 mm;

calyx deeply campanulate to subcylindric, (4.8–)5–7.1 mm, densely strigose to pilose, hairs white, tube 3.6–5.1 mm, lobes subulate to linear-subulate, (1.4–)1.9–5.1 mm;

corolla usually pink-purple, rarely white, wing tips white or pale;

banner recurved through 40°;

keel 7.5–10.5 mm, apex acute-triangular, often somewhat 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.

mostly enclosed in marcescent calyx, ascending, lanceoloid-ellipsoid, obscurely 3-sided compressed, 4.5–7.5 × 1.2–2.2 mm, thin becoming papery, densely silver-strigulose.

12–16.

2.