Flora of North America species comparison

prostrate and radiating, to 15(–20) cm, internodes often concealed by stipules, strigose or strigulose.

prostrate, 0.5–3(–7) cm, internodes short, length slightly 2 times stipules, strigulose.

(2–)4–14 cm;

stipules sometimes connate-sheathing at proximal nodes (vars. humistratus and missouriensis), (2–)3–9 mm, firm or submembranous becoming scarious or papery;

leaflets (5–)11–17(–21), blades elliptic to obovate, 3.5–13(–17) mm, apex acute, apiculate, or obtuse, surfaces strigose to strigulose.

2–10 cm;

stipules distinct throughout, 1–4 mm, papery-scarious;

leaflets 11–15(or 17) blades linear-elliptic or oblanceolate, 3–10 mm, apex acute or obtuse, surfaces usually strigulose, sometimes glabrescent adaxially.

(3–)4–15-flowered, flowers ascending to spreading;

axis (0.5–)1–4 cm in fruit;

bracts 2.5–8 mm;

bracteoles 0–2.

2–5-flowered, flowers ascending;

axis 0.5–2 cm in fruit;

bracts 1.5–2.5 mm.

ascending, (1.5–)3.5–11 cm.

ascending, (1.5–)2.5–8 cm.

1–3.5 mm.

1.5–2 mm.

9.5–22(–24) mm;

calyx purple-tinged, cylindric or deeply campanulate, 5–13(–14.3) mm, strigulose, tube 4.1–10 mm, lobes subulate, (0.7–)1.4–4.5(–5.3) mm;

corolla usually pink-purple, purple, lavender, or violet-red, rarely white;

banner recurved through 45°;

keel 8.9–17.3(–18.5) mm.

9.5–11 mm;

calyx purplish, cylindric or campanulate, 5–5.5 mm, strigulose, tube 3–3.5 mm, lobes subulate, 1.5–2 mm;

corolla ochroleucous, banner and keel with purple tips or veins;

keel 7–7.5 mm.

usually persistent, ascending or descending, brownish becoming black, straight or slightly incurved, subsymmetrically or obliquely oblong, oblong-ellipsoid, or ellipsoid, subterete, or dorsiventrally or ± laterally compressed, (11–)14–28(–30) × (4–)5–9(–10) mm, unilocular or subunilocular, distinctly beaked, fleshy becoming stiffly leathery or subligneous, walls much less than 1 mm thick, strigulose, strigose, or glabrous.

separating from receptacle at maturity, ascending (humistrate), red-mottled, gently incurved, narrowly oblong, slightly 3-sided compressed, 12–20 × 3.5–5 mm, sub-bilocular, thin becoming papery, sparsely strigulose;

septum partial, 0.2–0.6 mm wide;

sessile, gynophore to 1 mm.

(33–)35–55(or 56).

8–10.

= 22.