Flora of North America species comparison

erect or ascending, sparsely strigulose.

decumbent or curved-ascending, 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.

2–10 cm;

stipules 3–6 mm, membranous becoming papery-scarious;

leaflets 13–21, blades elliptic to oblong, oblanceolate, or obovate, 2–12 mm, apex obtuse to truncate, surfaces glabrous.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

(5 or)6–9-flowered, flowers spreading to ascending;

axis 3–5.5 cm in fruit;

bracts 2.2–2.5 mm;

bracteoles 1 or 2.

(2–)4–11 cm.

erect or ascending, 4.5–8.8 cm.

0.6–1.5 mm.

2–3.5 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.

17–21 mm;

calyx greenish to stramineous, 6.3–8 mm, sparsely black-strigose, tube 5–6 mm, lobes subulate, 1.3–2 mm;

corolla white;

banner recurved through 30°;

keel 13–15 mm, apex obtuse.

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, stramineous, straight, oblong-ellipsoid to lanceoloid-ellipsoid, inflated, 15–23 × 6–11 mm, thinly leathery, scabrid-pubescent;

unilocular;

stipe 2–2.5 mm.

12–16.

20–38.