Flora of North America species comparison

reduced to thick crowns.

prostrate, usually villous-tomentose, sometimes glabrous.

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.

(1–)1.5–4.5 cm;

stipules distinct, 2–5 mm, submembranous becoming scarious;

leaflets (7 or)9–15, blades flat or loosely folded, narrowly elliptic to elliptic-oblanceolate, 2–11 mm, apex obtuse to subacute, surfaces strigulose abaxially, strigulose, glabrous, or glabrate adaxially.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

(2–)5–13-flowered, subcapitate, flowers loosely ascending;

axis 0.2–1 cm per fruit;

bracts 0.8–2 mm;

bracteoles 0.

0.5–11 cm.

ascending, 0.6–1.7 cm, sometimes 2 or 3 per node.

1.4–5 mm.

0.7–2.5 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.

4.8–6.1 mm;

calyx campanulate, 3–3.9 mm, strigulose, tube 1.7–2.2 mm, lobes subulate, 1.1–1.7 mm;

corolla whitish, sometimes tinged lilac, banner veins purple;

banner recurved through 45–85°;

keel 3.4–4 mm, apex triangular, obtuse, somewhat 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.

spreading or somewhat declined, stramineous or brownish, straight or somewhat incurved, ellipsoid or oblong-ellipsoid, 3-sided compressed, grooved dorsally, lateral faces flat, 4–7 × 1.5–2.5 mm, thin becoming papery, strigulose.

27–40(–46).

4–8.