Flora of North America species comparison

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

erect or ascending, densely silvery white-strigulose.

(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.

(2.5–)5–15(–16.5) cm;

stipules 1.5–5 mm, papery;

leaflet blades linear or linear-oblong, (3–)5–25(–34) mm, apex truncate-emarginate or subacute, surfaces sparsely strigulose abaxially, densely silvery white-strigulose adaxially.

(15–)20–55(–65)-flowered;

axis (3–)5–20(–24) cm in fruit;

bracts 2–6 mm;

bracteoles 0.

(4 or)5–20(–28)-flowered;

axis (2–)3–13 cm in fruit;

bracts 0.7–2.5 mm;

bracteoles 2.

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

erect, (5–)7–20 cm.

(1.2–)1.5–9 mm.

0.9–3 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.

15–22 mm;

calyx 5.5–9.5 mm, strigose, tube 3.6–5 mm, lobes subulate, (1.5–)1.8–4.3 mm;

corolla keel 10.7–15.3 mm.

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

brownish or stramineous, strongly laterally compressed, 12–28 × 4–7.5 mm, fleshy becoming leathery or subligneous, glabrous;

septum 3.5–6 mm wide; stipitate (stipe 4–8 mm).

= 22.