Flora of North America species comparison

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

single or few, prostrate-ascending, 3.5–14 cm underground, 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.

3–14 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 2–6 mm, membranous;

leaflets 7–15(–19), blades obovate, 4–15 mm, apex round to emarginate, surfaces strigose, sometimes glabrous adaxially.

(15–)20–55(–65)-flowered;

axis (3–)5–20(–24) cm in fruit;

bracts 2–6 mm;

bracteoles 0.

5–20-flowered;

axis 1.2–13 cm in fruit;

bracts 1.5–3 mm;

bracteoles 2.

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

erect, 0.5–9.5 cm.

(1.2–)1.5–9 mm.

1–3 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.

13.5–22 mm;

calyx 4.8–7.5 mm, black-strigose, tube 4.2–6 mm, lobes broadly triangular, 0.5–1.5 mm;

corolla ochroleucous, or pink-purple with white wing tips;

banner recurved through 30°;

keel 9–12.2 mm.

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

ascending-erect, green and purple-dotted becoming purple-stramineous, straight or slightly decurved, ovoid to subglobose, terete, inflated, 12–20 × 8–11 mm, thin becoming papery, glabrous or glabrate;

stipe 9–19 mm.

= 22.