Flora of North America species comparison

obscured by stipules.

sprawling-decumbent, 1–20 cm underground, sparsely to densely pilose.

0.6–2 cm;

stipules 3.5–7 mm, hyaline, glabrate or glabrous abaxially, ciliate;

leaflet blades spatulate to elliptic, 3–7.5 mm, apex acute, surfaces silvery-pilose.

2.5–11.5(–15) cm;

stipules distinct throughout, 1.5–7 mm, scarious at proximal nodes, herbaceous at distal nodes; short-petiolate or subsessile;

leaflets (11–)15–29, blades usually broadly to narrowly elliptic or oblong, rarely oblong-obovate, (2–)4–13(–17) mm, apex usually obtuse or acute, rarely truncate-emarginate, surfaces sparsely pilose or glabrescent, sometimes glabrous adaxially.

2- or 3-flowered;

axis very short;

bracts 2–3 mm;

bracteoles 0.

(3–)6–15-flowered, flowers ascending or spreading;

axis 0.7–2.5(–3.2) cm in fruit;

bracts (2–)3–7.5 mm;

bracteoles (0 or)2.

0.7–1.5 cm.

ascending, (1–)2–8(–9) cm.

1–1.5 mm.

1.4–2.8 mm.

(5.8–)6.6–8 mm;

calyx campanulate, 3.3–4.2 mm, densely pilose, tube 2.1–2.3 mm, lobes triangular-subulate, 1.2–2 mm;

corolla usually pink-purple, rarely white;

banner recurved through 90°, obovate-cuneate, (5.8–)6.6–8 mm;

wings (5.7–)6–6.8 mm;

keel 4.1–4.5 mm, apex bluntly deltate.

(14.3–)16.5–20(–21.5) mm;

calyx purplish, deeply campanulate, 7.8–12.2(–13.7) mm, pilose or shortly pilosulous, tube 5.4–7.8 mm, lobes subulate or lanceolate-subulate, (2–)2.6–4.7(–6.1) mm;

corolla pink-purple or lilac-purple, sometimes pale, wings and keel maculate;

keel (11.5–)12–15.5(–16) mm.

ascending, ovoid-ellipsoid, slightly compressed, 4–5 × 1.2–2 mm, papery, densely silky-strigose or silky-pilose.

long persisting then finally disjointing from receptacle, green, often purple-mottled, straight, obliquely ovoid-oblong or subglobose, ± obcompressed, 10–17(–20) × 10–13 mm, bilocular, fleshy becoming stiffly leathery, mesocarp 1.5–2 mm thick, not separated into 2 layers, strigulose or pilosulous.

6–10.

(28–)32–48(–52).