Flora of North America species comparison

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

ascending, 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.

2.5–11 cm;

stipules 1.5–3 mm, papery at proximal nodes, firm at distal nodes;

leaflets 9–17, blades oblong-oblanceolate, linear-oblong, or obovate, 3–15 mm, apex obtuse or retuse, surfaces strigulose, sometimes glabrescent adaxially.

(15–)20–55(–65)-flowered;

axis (3–)5–20(–24) cm in fruit;

bracts 2–6 mm;

bracteoles 0.

loosely 9–20-flowered;

axis 4.5–13 cm in fruit;

bracts 1–1.5 mm;

bracteoles 2.

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

incurved-ascending or divaricate, 2.5–6(–10) cm.

(1.2–)1.5–9 mm.

0.8–2 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.

6.9–7.6 mm;

calyx 3.5–4 mm, strigose, tube 2.5–2.8 mm, lobes subulate, 1–1.5 mm;

corolla ochroleucous, banner veined or suffused with purple;

banner recurved through 90°;

keel 6.8–7.7 mm.

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

pendulous, mottled (and glaucescent) becoming stramineous and faintly purple-tinged, slightly incurved, oblong-lanceoloid, distinctly 3-sided compressed, 18–25 × 3–4.5 mm, papery, glabrous;

septum 2.4–2.7 mm wide;

stipe 3–4 mm.

11–16.

= 22.