Flora of North America species comparison

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

spreading to ascending, erect when young, canescent-tomentulose, distinctly woody when over-wintering.

(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.

2–8 cm;

stipules 2–5 mm, papery at proximal nodes;

leaflets 11–25, blades oblong-obovate, -elliptic, or -oblanceolate, (1.5–)3–12 mm, apex obtuse or retuse, surfaces villosulous.

(15–)20–55(–65)-flowered;

axis (3–)5–20(–24) cm in fruit;

bracts 2–6 mm;

bracteoles 0.

densely (15–)20–30-flowered;

axis 2–4 cm in fruit;

bracts 1.5–3 mm;

bracteoles 0–2.

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

ascending, sometimes humistrate in fruit, 6–12 cm.

(1.2–)1.5–9 mm.

0.5–2 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.

10.6–12.7 mm;

calyx campanulate, 5.7–6.4 mm, villosulous, tube 3.8–4.5 mm, lobes broadly subulate, 1.4–2.4 mm;

corolla pale yellow, concolorous;

keel 9–10 mm.

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

brown-stramineous, lunate, obliquely narrow-ellipsoid, 3-sided compressed, 14–20 × 3–5 mm, thinly fleshy becoming stiffly papery, glabrous;

septum 1–1.3 mm wide;

stipe 4.5–9.5 mm.

16–20.

= 22.