Flora of North America species comparison

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

prostrate and radiating, internodes to 0.5–2(–2.5) cm, concealed by stipules or developed, villous-villosulous or glabrate.

(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.

(4–)5–15(–20) cm;

stipules mostly distinct, broadly ovate or triangular, 2.5–12 mm, submembranous;

leaflets 7–31, blades oblanceolate, obovate, or elliptic, 3–17(–20) mm, apex obtuse or emarginate, surfaces villous-villosulous abaxially, sometimes glabrate adaxially.

(15–)20–55(–65)-flowered;

axis (3–)5–20(–24) cm in fruit;

bracts 2–6 mm;

bracteoles 0.

densely (10–)12–20(–25)-flowered, flowers ascending;

axis (1.5–)2–8 cm in fruit;

bracts 2.5–8.5 mm;

bracteoles 0.

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

incurved-ascending, prostrate in fruit, (1.5–)3–10 cm.

(1.2–)1.5–9 mm.

1.3–3.6 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.

17–23.5 mm;

calyx cylindric to deeply campanulate, 10–15 mm, sparsely villous-villosulous, tube (6.8–)7.5–10.5 mm, lobes lanceolate to subulate, 2.5–5.5 mm;

corolla bright reddish violet or tinged with violet, white, or whitish;

banner incurved 40–50°;

keel 12–15.7 mm.

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

ascending (humistrate), brownish then blackish, ± straight, obliquely ovoid, lanceoloid-ellipsoid, oblong-ellipsoid, or lanceoloid, obcompressed, (17–)20–30 × 7–10 mm, subunilocular, fleshy becoming stiffly leathery or subligneous, glabrous;

septum to 1.7 mm wide.

30–44.

= 22.