Flora of North America species comparison

prostrate to ascending, 0–11 cm, internodes often concealed by white-hairy stipules and dense white hairs, villous-tomentulose.

erect or decumbent to ascending, (0–)1–5 cm underground, sparsely strigulose.

2–15 cm;

stipules sometimes shortly connate-sheathing at proximal nodes, 1.5–5.5 mm, submembranous becoming papery-scarious;

leaflets 13–25, blades elliptic or ovate, 2–16 mm, apex usually acute, sometimes obtuse, surfaces silvery-villous.

(3.5–)5–10 cm;

stipules 2.5–7 mm, scarious at proximal nodes, herbaceous at distal nodes;

leaflets 3–7(or 9), blades linear, 10–50 mm, apex acute or subacute, surfaces sparsely strigulose abaxially, silvery-canescent adaxially;

terminal leaflet decurrent distally, not jointed to rachis.

1–11-flowered, flowers ascending;

axis 0.3–6 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

5–15-flowered, flowers ascending becoming horizontal;

axis (1–)2–8 cm in fruit;

bracts 1–5 mm;

bracteoles 0–2.

0.5–15 cm.

ascending, (4–)5–11(–15) cm.

1–3 mm.

1.2–2.8 mm.

18–26 mm;

calyx cylindric, 8.3–18 mm, villous, tube 6.5–13.5 mm, lobes subulate, 1.5–5.7 mm;

corolla often pink-purple, sometimes pale;

banner recurved through 40°;

keel concealing style, 14.6–18.6(–19) mm.

16.3–19 mm;

calyx pallid, cylindric, 9–12 mm, pilosulous, tube 7–8.5 mm, lobes subulate, 2–4 mm;

corolla purple or whitish with purple tips;

keel 12.8–15.5 mm.

ascending, brightly purple-mottled, usually curved, obliquely ovoid-oblong, dorsiventrally compressed, ventrally grooved proximally, 15–35 × 5.5–12 mm, unilocular, fleshy becoming somewhat woody, strigose or villosulous.

pendulous, very pale green becoming stramineous, ± straight or obscurely sigmoid-arcuate, ellipsoid or broadly oblong-oblanceoloid, strongly obcompressed, (25–)30–45 × (11–)13–17(–23) mm, fleshy becoming leathery, translucent, lustrous, smooth, transversely rugulose-reticulate, glabrous.

24–30.

42–60.