Flora of North America species comparison

prostrate, silvery-pilose.

obscured by stipules and marcescent leaf bases.

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.

unifoliolate or palmately trifoliolate, 1–3.5 cm;

stipules sometimes ruptured in age, 7–12 mm, hyaline;

leaflet blades spatulate to elliptic, (3–)5–9 mm, apex acute to subacute, surfaces silvery-pilosulous.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

1- or 2-flowered, capitate;

axis obsolete or very short;

bracts sometimes tridentate, 3–6 mm;

bracteoles 2.

0.5–2.5 cm.

subobsolete.

1–3.5 mm.

subobsolete.

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.

12.3–17 mm;

calyx 8.3–10.5 mm, loosely villous, tube 5.9–6.5 mm, lobes linear to narrowly subulate, 2.4–4.2 mm;

corolla whitish to ochroleucous, petals glabrous abaxially;

banner differentiated into blade and claw, with shoulderlike projections at middle;

keel 11.1–12.8 mm.

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

green, straight or slightly decurved, narrowly ellipsoid, 7–10 × 2.5–3 mm, fleshy becoming leathery, densely strigose-hirsutulous.

6–10.

11–14.