Flora of North America species comparison

reduced to thick crowns.

decumbent to ascending or erect, diffuse, 3–10(–17) cm underground, appressed-hairy or villosulous.

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–)3–11 cm;

stipules connate-sheathing and papery at proximal nodes, ± distinct or connate to 1/2 their length and herbaceous becoming papery at distal nodes, 2–6 mm;

leaflets 7–27, blades broadly to narrowly elliptic, oblong-lanceolate, obovate-cuneate, or linear-oblong, 3–16 mm, apex truncate-emarginate or obtuse, surfaces strigulose abaxially, sparsely hairy adaxially.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

5–19(–27)-flowered, flowers ascending;

axis (0.5–)1.5–6.5 cm in fruit;

bracts 1.5–6 mm;

bracteoles (0 or) 2.

0.5–11 cm.

ascending, usually stout and ± straight, 2–8(–11.5) cm.

1.4–5 mm.

1–2.9 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.

13.4–21 mm;

calyx campanulate or cylindric-campanulate, 6–10.6 mm, villosulous, tube 4.9–8 mm, lobes subulate to triangular, 1.1–2.8 mm;

corolla bright pink-purple or pale and lilac-tinged;

banner recurved through 45°;

keel 10.4–14 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.

spreading to declined, green, sometimes red-mottled, becoming brown or stramineous, straight or nearly so, oblong or ovoid-ellipsoid, turgid or somewhat inflated, not bladdery, 15–24 × (4.5–)5–9.5 mm, leathery, sparsely strigulose to villosulous;

sessile or subsessile.

27–40(–46).

25–36.