Flora of North America species comparison

erect or stiffly ascending, stout, with 5–10 well-developed internodes, pilose and tomentulose.

(9–)13–35 cm;

stipules distinct 6–17 mm, herbaceous;

leaflet blades broadly to narrowly elliptic, ovate, oblong-elliptic, or rhombic-elliptic, (7–)10–55 mm, apex acute or abruptly short-acuminate, often callous-apiculate, surfaces pilose and tomentulose.

1–6 cm;

stipules 3–7 mm;

leaflets 3–11, blades obovate to oblanceolate or orbiculate, 1.5–8 mm, apex round to obtuse or acute, surfaces strigose.

(15–)20–55(–65)-flowered;

axis (3–)5–20(–24) cm in fruit;

bracts 2–6 mm;

bracteoles 0.

2–10-flowered;

axis to 1 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0.

erect, (8–)10–27 cm, together with racemes shorter than stems.

ascending, 0.4–3 cm.

(1.2–)1.5–9 mm.

ascending, 1–2 mm.

(14.4–)15.5–22 mm;

calyx (7.8–)10–14.7 mm, silky-pilose or tomentulose, tube (6–)7–8.7 mm, lobes lanceolate-acuminate or linear-lanceolate, 3–6.5 mm;

corolla immaculate;

keel (11.5–)12–15.1 mm.

10–15.5(–17.5) mm;

calyx cylindric, 5.5–8.9 mm, strigose, tube 4.1–6.8 mm, lobes subulate, 1.4–1.7 mm;

corolla usually white or ochroleucous, sometimes fading yellowish, suffused with purple, sometimes purple, keel tip maculate;

banner recurved through 40°;

keel (9–)10–12.5 mm.

stiffly erect, becoming brownish stramineous then blackish, 15–25 × 8–13 mm, fleshy becoming leathery, glabrous.

ascending, green, straight or slightly incurved, obliquely ovoid or lanceoloid-ovoid, somewhat dorsiventrally compressed, (8–)11–19 × 3–8 mm, unilocular, distinctly beaked, thinly fleshy becoming papery, sometimes incipiently alveolate-spongy, walls much less than 1 mm thick, strigose.

18–33.

= 22.