Flora of North America species comparison

prostrate, silvery-pilose.

decumbent to ascending, 3–13 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.

1.5–8.5 cm;

stipules connate-sheathing and stiff-papery at proximal nodes, connate or distinct at distal nodes, 3–9 mm;

leaflet blades oblong to elliptic or oblanceolate, some narrowly so, 2–19 mm, apex acute to obtuse or mucronate, surfaces sparsely strigose or glabrous abaxially, glabrous adaxially.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

4–22-flowered;

axis 1–7 cm in fruit;

bracts 1.5–7 mm;

bracteoles 0–2.

0.5–2.5 cm.

erect or incurved-ascending, 2–14 cm, shorter or much longer than leaves.

1–3.5 mm.

1–4 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.

18–24 mm;

calyx 9–11.5(–14) mm, strigulose, tube 6.5–8.5 mm, lobes subulate, 1.5–4(–6) mm;

corolla concolorous or keel faintly purplish;

keel 13.6–15.4 mm.

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

green, sometimes also purple, becoming brown, incurved to nearly straight, sulcate abaxially, 18–35 × 3–6.5 mm, papery, glabrous;

valves inflexed as complete septum 2–4 mm wide;

stipe 4–9 mm.

6–10.

= 22.