Flora of North America species comparison

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

erect, 0–7 cm underground, glabrous.

(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.

crowded, loosely imbricate, 1.5–6.5 cm;

stipules 2–15 mm, membranous;

leaflet blade ovate, orbiculate, or cordate, 15–65 mm, apex obtuse to rounded or retuse, surfaces glabrous.

(15–)20–55(–65)-flowered;

axis (3–)5–20(–24) cm in fruit;

bracts 2–6 mm;

bracteoles 0.

2–12-flowered;

axis 0.4–2.5 cm in fruit;

bracts 1–5 mm;

bracteoles 2.

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

erect, 0.5–4.5 cm.

(1.2–)1.5–9 mm.

1–5 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.

17–27 mm;

calyx 10–17 mm, black-strigose, tube 8.3–13 mm, lobes linear to subulate, 1.5–3.8 mm;

corolla keel 14.2–18.5 mm.

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

pale green and purple-speckled becoming stramineous, straight, 25–35 × 11–16 mm, fleshy becoming leathery or stiffly papery, glabrous;

stipe 10–23 mm.

= 22.

= 24.