Flora of North America species comparison

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

erect or ascending, softly villous-hirsute or shaggy-villous.

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.

4–13 cm;

stipules connate-sheathing or distinct at proximal nodes, distinct at distal nodes, (2–)3–12 mm, submembranous becoming papery-scarious;

leaflet blades oblong to oblanceolate or obovate, 4–33 mm, apex obtuse to truncate or emarginate, surfaces villous-pilose abaxially, glabrous adaxially.

2–13-flowered, flowers ascending;

axis (0.5–)1–6.5 cm in fruit;

bracts 2.5–8 mm;

bracteoles 0–2.

14–30-flowered;

axis 3–22 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

ascending, (1–)2–15(–20) cm.

erect, 4–12(–15) cm.

0.6–2.5 mm.

1.5–5 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–)18–25 mm;

calyx 7–12.5 mm, sparsely villous, tube 4.7–8 mm, lobes subulate, 1.7–4.5 mm;

corolla keel 12–15 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.

stramineous, 17–32 × 3.5–5.5 mm, fleshy becoming stiffly papery or leathery, glabrous;

septum 0.6–1.5 mm wide;

stipe 5–11 mm.

42–70.

= 22.