Flora of North America species comparison

prostrate, silvery-pilose.

incurved-ascending, diffuse, 1–12 cm underground, strigulose.

1–4 cm;

stipules 2–8 mm, hyaline, densely pilose abaxially;

leaflets usually 3, rarely 5, blades narrowly to broadly oblanceolate or obovate-cuneate, 3–13 mm, apex subacute, surfaces silvery-pilose.

(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.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

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

axis 2–5 cm in fruit;

bracts 2–4 mm;

bracteoles 0.

0.5–2.5 cm.

4.5–8 cm.

1–3.5 mm.

0.8–3.5 mm.

5–6.2(–8) mm;

calyx campanulate, 2.4–4.2 mm, densely pilose, tube 2–3 mm, lobes triangular-subulate, 1–1.2 mm;

corolla pink-purple or white, often drying yellowish;

banner recurved through 90°;

keel 4–4.5 mm, apex bluntly deltate.

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.

ascending or recurved, ovoid-ellipsoid, slightly compressed, 3–4.5 × 2 mm, papery, densely silky-strigose or silky-pilose.

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.

6–10.

22–26.

= 22.