Flora of North America species comparison

erect or ascending, sparsely strigulose.

erect, 0–7 cm underground, glabrous.

(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.

crowded, loosely imbricate, 1.5–6.5 cm;

stipules 2–15 mm, membranous;

leaflet blade ovate, orbiculate, or cordate, 15–65 mm, apex obtuse to rounded or retuse, surfaces glabrous.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

2–12-flowered;

axis 0.4–2.5 cm in fruit;

bracts 1–5 mm;

bracteoles 2.

(2–)4–11 cm.

erect, 0.5–4.5 cm.

0.6–1.5 mm.

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.

17–27 mm;

calyx 10–17 mm, black-strigose, tube 8.3–13 mm, lobes linear to subulate, 1.5–3.8 mm;

corolla keel 14.2–18.5 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.

pale green and purple-speckled becoming stramineous, straight, 25–35 × 11–16 mm, fleshy becoming leathery or stiffly papery, glabrous;

stipe 10–23 mm.

12–16.

= 24.