Flora of North America species comparison

usually prostrate or weakly ascending, sometimes erect, 0–20 cm, internodes often concealed by stipules, densely strigose-strigulose.

prostrate and radiating or with incurved-ascending tips, well developed, flexuous, villous or tomentose.

2–13 cm;

stipules sometimes connate-sheathing at proximal nodes, 2–13 mm, submembranous becoming papery;

leaflets (1–)5–21, blades elliptic to obovate or oblanceolate, 3–20 mm, apex obtuse to acute, surfaces strigose.

(3–)4–12(–16) cm;

stipules 5–12(–16) mm, submembranous;

leaflets (9–)17–23(–27), blades obovate-cuneate, rhombic-oval, or broadly oblanceolate, (40–)60–160(–200) mm, apex usually acute, subacute, or shortly acuminate, rarely subobtuse, surfaces villous to tomentose.

2–13-flowered, flowers ascending;

axis (0.5–)1–6.5 cm in fruit;

bracts 2.5–8 mm;

bracteoles 0–2.

(5–)8–18-flowered, flowers ascending;

axis (1.5–)2.5–6(–8) cm in fruit;

bracts 4.5–10 mm;

bracteoles 0.

ascending, (1–)2–15(–20) cm.

divaricate or incurved-ascending, (2–)3–8 cm.

0.6–2.5 mm.

(1.3–)1.8–3.3 mm.

10.3–27(–28) mm;

calyx usually purplish, cylindric, campanulate, or cylindro-campanulate, 6.3–14.2 mm, strigose, tube (3.4–)5.8–13.2 mm, lobes subulate, 1.1–3.7(–4.5) mm;

corolla usually pink-purple, rarely white;

banner recurved through 40°;

keel 8–23.6 mm.

(16.5–)19.5–23 mm;

calyx usually purplish, cylindric or cylindro-campanulate, (9.4–)11.3–16.4 mm, villous, tube (6.2–)8.2–10.2 mm, lobes linear-lanceolate or lanceolate-caudate, 3.1–6.6(–7) mm;

corolla pink-purple;

banner recurved through 40°;

keel (12.7–)14.4–17.2 mm.

readily deciduous, ascending, green, sometimes mottled, usually incurved, crescentic, mostly dorsiventrally compressed, 15–40 × 5–12 mm, unilocular, distinctly beaked, fleshy becoming stiffly leathery or subligneous, walls much less than 1 mm thick, strigose.

ascending, stramineous or brownish, ± straight proximally, incurved distally, obliquely ovoid, lanceoloid-ovoid, or oblong-ellipsoid, obcompressed, (13–)15–25(–30) × (5–)7–9.5 mm, unilocular, fleshy becoming stiffly leathery, villous-hirsute or tomentose;

sutures approximate or contiguous within, cross section deeply cordate or subdidymous;

sessile with gynophore (0–)0.7–1.8 mm.

42–70.

22–28(–33).

= 22.