Flora of North America species comparison

reduced to thick crowns.

erect or diffuse, flexuous, becoming decumbent-sprawling, sparsely strigose-pilose or glabrate.

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 2–8 mm, herbaceous, becoming membranous;

leaflets 17–29(or 31), blades lanceolate-elliptic or oblong, 5–35 mm, apex obtuse, apiculate, or acute, surfaces strigulose, sometimes glabrate adaxially.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

(6–)10–30-flowered, flowers ascending;

axis (1.5–)2–5 cm in fruit;

bracts 2–6.5 mm;

bracteoles 0.

0.5–11 cm.

incurved-ascending, 3.5–11 cm, together with racemes shorter than leaves.

1.4–5 mm.

0.3–1.5 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.

12.5–16.5 mm;

calyx subcylindric, 6.5–9 mm, strigulose, tube 5–6 mm, lobes triangular-acuminate, 1.6–3 mm;

corolla ochroleucous;

keel 9.6–10.5 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.

ascending to spreading, black, straight, obovoid to subglobose, inflated but firm, hardly bladdery, 6–14 × 5–10(–12) mm, sulcate ventrally, fleshy becoming leathery or stiffly papery, pilose;

stipe to 0.8 mm.

27–40(–46).

= 16, 32, 48, 64.