Flora of North America species comparison

erect or ascending, sparsely strigulose.

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

(1.5–)2–6(–7.5) cm;

stipules 1.5–4.5 mm, membranous becoming papery;

leaflets 7–13, blades cuneate-obovate to oblong-elliptic, 3–10(–12) mm, apex retuse or obtuse, surfaces sparsely strigulose abaxially, glabrous adaxially.

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.

densely 3–10-flowered, flowers ascending to spreading;

axis to 0.5 cm, not or scarcely elongating;

bracts 0.6–2 mm;

bracteoles 0 or 1.

2–13-flowered, flowers ascending;

axis (0.5–)1–6.5 cm in fruit;

bracts 2.5–8 mm;

bracteoles 0–2.

erect or divaricate and ascending, (2–)3–9(–11) cm.

ascending, (1–)2–15(–20) cm.

0.4–1.4 mm.

0.6–2.5 mm.

7.8–11.4 mm;

calyx 3.8–5.1 mm, strigulose, tube 2.5–3.5 mm, lobes subulate, 1–2 mm;

corolla whitish, banner and, sometimes, wings veined or suffused lilac, keel tip purple;

banner recurved through 35–45°;

keel (5–)5.4–7.8 mm, apex round.

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.

stellately ascending, green, straight, ovoid, ovoid-oblong, or fusiform, obscurely 3-sided compressed, falling before splitting, dehiscent on ground, 5.5–10 × (2.5–)2.8–4 mm, thinly fleshy becoming stiffly papery, apex acuminate-tapered or cuneately contracted into a straight, elongate-subulate, spinelike, glabrescent beak (3.5–)4–10 mm, densely silvery-strigulose; bearing seeds in proximal 1/2.

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.

2–6.

42–70.

= 22.