Flora of North America species comparison

erect or ascending, sparsely strigulose.

incurved-ascending, diffuse, 1–12 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–)5–10 cm;

stipules connate-sheathing at proximal nodes, distinct or shortly or obscurely connate distally, 2–7 mm, papery proximally, herbaceous distally;

leaflets 11–25, blades oblong-elliptic or obovate, (2.5-)5–14 mm, apex emarginate, surfaces strigulose abaxially, sparsely hairy or glabrous adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

8–20-flowered, flowers spreading, later declined;

axis 2–5 cm in fruit;

bracts 2–4 mm;

bracteoles 0.

(2–)4–11 cm.

4.5–8 cm.

0.6–1.5 mm.

0.8–3.5 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.

14–18.7 mm;

calyx subcylindric, 7.9–10 mm, strigulose or villosulous, tube 5.8–7.2 mm, lobes subulate, 2–3.5 mm;

corolla pale purple (drying dull lavender);

banner recurved through 45°;

keel 11–14.4 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.

humistrate, spreading, or declined, often red-mottled, subsymmetric, ovoid-acuminate or ovoid-ellipsoid, subterete, bladdery-inflated, 22–28 × 11–16 mm, papery-membranous, translucent, loosely strigulose to villosulous;

stipe 1.5–3 mm.

12–16.

22–26.

= 22.