Flora of North America species comparison

decumbent-ascending to erect, strigulose.

straggling to ascending or erect, mostly branched near base, 1.5–8+ cm underground, strigulose.

(2–)4–17 cm;

stipules 4–13(–16) mm, papery-scarious, pallid;

leaflet blades oblong to elliptic, (4–)7–27(–33) mm, apex acute or obtuse, surfaces sparsely to moderately strigose, sometimes glabrous adaxially.

2–10 cm;

stipules distinct throughout, 3–8 mm, papery-membranous at proximal nodes, firm at distal nodes;

leaflets 5–15, blades linear, oblong, or narrowly oblanceolate, 3–20 mm, apex obtuse to retuse, surfaces strigose or, sometimes, glabrate adaxially;

terminal leaflet decurrent distally, not jointed to rachis.

(7–)10–50-flowered;

axis (0.6–)1–9(–13) cm in fruit;

bracts 2–8 mm;

bracteoles 0.

5–22-flowered, flowers ascending, finally nodding;

axis 2.5–13 cm in fruit;

bracts 0.7–2 mm;

bracteoles 0.

erect or incurved-ascending, (3–)4–14(–16.5) cm.

erect or incurved-ascending, 3–10.5 cm.

to 0.8 mm.

0.8–2.2 mm.

11.5–19.5 mm;

calyx [4.8–]5.6–10.5 mm, strigulose, tube [3–]4–7 × 2–3.2 mm, lobes subulate or subulate-setaceous, 0.4–4.2 mm;

corolla keel 8–15 mm.

8.5–12.5 mm;

calyx usually dull purple, campanulate, 3.5–5.5 mm, strigulose, tube 3–4.3 mm, lobes triangular, 0.4–1.5 mm;

corolla pink-purple, wing tips white;

banner recurved through 90–95°;

keel 8–9.8 mm, apex obtuse to subacute, not beaklike.

stramineous, ovoid-, oblong-, or lanceoloid-ellipsoid, or narrowly oblong, [5.5–]6–12 × 2.3–4 mm, thin becoming papery, strigulose;

stipe 0–1.8 mm.

declined, pale green or purplish becoming stramineous, straight or gently decurved, oblong to narrowly oblanceoloid, dorsiventrally compressed in proximal 1/2, laterally compressed distally, 20–35 × 3.3–6 mm, stiffly papery, strigose;

sessile.

21–31.