Flora of North America species comparison

reduced to thick crowns.

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

1.5–14(–15) cm;

stipules (2.5–)4–11 mm, submembranous becoming scarious or papery;

leaflets 1–13(or 15), blades obovate to elliptic, oblanceolate, or orbiculate, 3–20 mm, apex acute to obtuse or retuse, surfaces villous-tomentulose.

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.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

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

axis 2.5–13 cm in fruit;

bracts 0.7–2 mm;

bracteoles 0.

0.5–11 cm.

erect or incurved-ascending, 3–10.5 cm.

1.4–5 mm.

0.8–2.2 mm.

14–32 mm;

calyx cylindric or campanulate, 7–20 mm, villous, tube 5–16 mm, lobes subulate to lanceolate, 1–4 mm;

corolla pink-purple;

banner recurved through 40°;

keel 12–26 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.

ascending (humistrate), brown-stramineous, incurved, obliquely ovoid, obcompressed, (13–)18–28(–36) × 7–13(–17) mm, unilocular, fleshy becoming leathery, sparsely hirtellous to densely villous-tomentose, usually concealing surfaces.

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.

27–40(–46).

21–31.