Flora of North America species comparison

erect or ascending, sparsely strigulose.

erect-ascending, 1–8 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.

3.5–6.5 cm;

stipules connate-sheathing at proximal nodes, distinct at distal nodes, 1.5–4.5 mm;

leaflets 5 or 7(or 9), blades linear, 8–28 mm, apex acute, surfaces strigose;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

5–19-flowered, flowers ascending;

axis 3–10.5(–13.5) cm in fruit;

bracts 0.3–0.8 mm;

bracteoles 0.

(2–)4–11 cm.

1.2–12 cm.

0.6–1.5 mm.

2–2.5 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.

4.3–6.1 mm;

calyx campanulate, 1.8–3 mm, strigose, tube 1.2–1.8 mm, slightly expanding in fruit, lobes triangular, 0.6–1 mm;

corolla whitish, faintly suffused with purple, keel maculate.

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.

declined, straight or slightly curved, ellipsoid to oblong, strongly laterally compressed, 9–12 × 2.5–3 mm, glabrous;

stipe 0–0.2 mm.

12–16.

4–5.