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, stiffly ascending, or basally decumbent, 0–4 cm underground, 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.

(2.5–)3.5–10(–12) cm;

stipules connate at proximal nodes, distinct at distal nodes, 2.5–6 mm, submembranous becoming papery-scarious;

leaflets (13 or)15–25, blades orbiculate, ovate, obovate, lanceolate-elliptic, or oblong-elliptic, (2–)3–12 mm, apex rounded to emarginate, surfaces pubescent abaxially, glabrous adaxially.

1–11-flowered, flowers ascending;

axis 0.3–6 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

densely becoming loosely (15–)20–45-flowered;

axis 2.5–6 cm in fruit;

bracts 1.2–2.5 mm;

bracteoles 0–2.

0.5–15 cm.

erect to ascending, 3.5–6(–10) cm, together with racemes usually shorter than stems.

1–3 mm.

1–1.3 mm, 1.2–1.5 mm in fruit.

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.

9.6–10 mm;

calyx marcescent, 4.5–5.1 mm, strigulose, hairs black, sometimes also white, tube 3.3–4 mm, lobes triangular-subulate, 0.8–1.3 mm;

corolla ochroleucous, fading yellowish, keel immaculate;

banner gently incurved through 45–50°;

keel 6.4–7.6 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.

persisting and dehiscent on plant, slightly incurved, obliquely ellipsoid, laterally compressed and bluntly 3-sided, 10–15 × 4.5 mm, incompletely bilocular, thinly papery, strigulose;

valves inflexed as hyaline septum 0.4 mm wide;

stipe 5–6 mm.

24–30.

6–10.

= 22.