Flora of North America species comparison

erect or ascending, sparsely strigulose.

clustered, ascending to erect, strigose.

(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.

1.3–4.8 cm;

stipules 2–4 mm;

leaflets 5–13, blades lanceolate to oblong or elliptic, 2–8 mm, margins involute and not ciliate, surfaces strigose abaxially, glabrous adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

2–8-flowered, flowers ascending to spreading;

axis 0.2–0.5 cm in fruit;

bracts 1–3 mm;

bracteoles 0.

(2–)4–11 cm.

reclined in fruit, 0.8–4.5 cm.

0.6–1.5 mm.

0.8–1.5 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.

7.2–8 mm;

calyx 3.3–4 mm, strigose, tube 2.2–2.5 mm, lobes triangular-subulate, 0.6–1.5 mm;

corolla pink-purple, wing tips white.

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.

mottled, straight or nearly so, ovoid, 11–18 × 8–12 mm, membranous, opaque, strigose.

12–16.

10.