Flora of North America species comparison

erect or ascending, sparsely strigulose.

several, decumbent to ascending, diffuse, 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.

3.5–10 cm;

stipules 3–8 mm, mostly membranous;

leaflets 11–19, blades obovate, oblong, or oblanceolate, 4–17 mm, apex obtuse or retuse, surfaces strigose abaxially, glabrous adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

subcapitate at early anthesis, 4–14-flowered, flowers spreading-ascending;

axis 0.5–2.7 cm in fruit;

bracts 2–4 mm;

bracteoles 0–2.

(2–)4–11 cm.

incurved-ascending, reclined in fruit, 3–8 cm.

0.6–1.5 mm.

1–2.5 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.

15–19 mm;

calyx cylindric, 6.4–9.2 mm, strigose, tube 5–7 mm, lobes subulate, 1.4–2.5 mm;

corolla pink-purple with white wing tips, or whitish to ochroleucous and tinged;

keel 9.8–12.7 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.

ascending (humistrate), stramineous, incurved to ± straight, ellipsoid to oblong, obcompressed, 17–32 × 7–10 mm, subunilocular, wider than high in cross section, woody or stiffly leathery, strigose, hairs ± 1 mm;

stipe to 2 mm.

12–16.

27–32.

= 22.