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 ascending, 2–10 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.

4–9(–11) cm;

stipules distinct throughout, 1–5 mm, papery-scarious at proximal nodes, herbaceous at distal nodes;

leaflets 11–21, blades linear or linear-elliptic to subfiliform, 8–30 mm, apex acute, obtuse, or truncate, surfaces strigulose abaxially, glabrate adaxially;

terminal leaflet usually continuous with rachis.

1–11-flowered, flowers ascending;

axis 0.3–6 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

(5–)15–45-flowered, flowers declined and secund;

axis 2–16 cm in fruit;

bracts 1–2 mm;

bracteoles 0.

0.5–15 cm.

arcuate-erect, (3.5–)6–12(–15) cm.

1–3 mm.

2.3–7 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.

13–17 mm;

calyx purplish or whitish, cylindric, 5.5–7 mm, strigose, tube 5–6.6 mm, lobes triangular-subulate, 0.5–1.1 mm;

corolla pale lemon yellow, concolorous;

banner recurved through 35°;

keel (9.5–)10–11.3 mm, apex bluntly or sharply deltate.

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, green or reddish becoming stramineous, straight or slightly curved, linear-oblong to lanceoloid or narrowly ellipsoid, strongly compressed, flattened laterally, (14–)20–33 × (3.5–)4–6 mm, papery, ± translucent in age, strigulose;

stipe 8–15 mm.

24–30.

11–17.