Flora of North America species comparison

reduced to thick crowns.

sprawling, slender and delicate, forming entangled clumps, strigulose, green.

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.

2.5–10 cm;

stipules connate-sheathing at proximal nodes, distinct at distal nodes, 2–5 mm, thinly herbaceous or submembranous;

leaflets (9–)15–23(–27), blades narrowly elliptic, lanceolate, or ovate, 3–15 mm, apex subacute or obtuse, surfaces sparsely strigulose abaxially, glabrate adaxially.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

loosely (1 or)2 or 3(–5)-flowered;

axis 0.2–1 cm in fruit;

bracts 1.3–3.3 mm;

bracteoles 0–2.

0.5–11 cm.

ascending, 2–2.5 cm, shorter than leaves.

1.4–5 mm.

1.2–2.1 mm, 1.4–2.5 mm in fruit.

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.

8.5–11.8 mm;

calyx campanulate to subcylindric, 4–5.7 mm, densely to sparsely strigulose, tube 2.7–3.4 mm, lobes subulate or lanceolate-subulate, 1.1–2.5 mm;

corollas white, keel apex maculate with dull bluish purple;

banner recurved through 45°;

keel 6–7.5 mm.

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.

stramineous, slightly decurved, oblong- or lanceoloid-ellipsoid, obcompressed and bluntly 3-sided, faces low-convex, 8–14 × 2.5–4 mm, papery, translucent, sparsely strigulose, hairs 1.8–2.1 mm, unilocular;

stipe 0–1.5 mm.

27–40(–46).

6–10.