Flora of North America species comparison

2–15 cm.

prostrate, 0–15(–25) cm, internodes to 2(–2.5) cm, strigulose, pilosulous, or villosulous.

10–24 cm;

leaflets 19–25, blades flat, rhombic, rhombic-ovate, obovate, or oblanceolate, 6–26 mm, apex usually acute, sometimes obtuse.

4–24 cm;

stipules sometimes obscurely connate at proximal nodes, 2–15 mm, submembranous becoming papery-scarious;

leaflets 11–27(–31), blades oblanceolate, obovate, obovate-cuneate, rhombic, rhombic-ovate, or rhombic-elliptic, rarely suborbiculate, 2–27 mm, apex usually obtuse or acute, rarely emarginate, surfaces usually pubescent, sometimes glabrescent or glabrous adaxially.

13–24-flowered;

axis (4–)7–20 cm in fruit.

loosely (9 or)10–25(–35)-flowered, flowers ascending;

axis (1.5–)2–20 cm in fruit;

bracts 1.5–11 mm;

bracteoles usually 0(–2).

13–40 cm.

incurved-ascending or erect, 4–40 cm.

0.6–3.4 mm.

16.8–20.4 mm;

calyx 11.5–14 mm, pilosulous or loosely strigulose, tube 8.3–10.2 mm, lobes 2.1–3.8 mm;

corolla banner 16.8–20.4 mm;

keel 15.2–18.2 mm.

11.8–24 mm;

calyx cylindric to deeply campanulate, (5–)6.4–14 mm, loosely strigulose, pilosulous, or villous, tube (3.5–)4.5–10.2 mm, lobes subulate or triangular-subulate, 1.2–3.8 mm;

corolla usually pink-purple to dull lilac, rarely white or nearly so;

banner recurved through 45°;

keel 10.2–20.1 mm.

lanceolate- or oblong-ellipsoid, 22–34 × 6–10(–12) mm, beak 3–6 mm, stiffly leathery or subligneous, angles ± rugulose, strigulose-pilosulous.

ascending, green or purplish becoming stramineous or brownish, lunately incurved or straight proximally and only beak incurved, obliquely ovoid-acuminate, lanceoloid-, oblong-, or ovoid-ellipsoid, strongly obcompressed, 13–34 × 5–10(–12) mm, ± unilocular, valves less than 1 mm thick, thinly to thickly fleshy becoming thinly leathery, stiffly leathery, or subligneous, usually densely to sparsely strigulose or pilosulous, rarely glabrous.

28–36.

24–36.

2–15 mm, surfaces sparsely strigulose or glabrate abaxially.

= 22.