Flora of North America species comparison

erect or ascending, usually flexuous and abruptly angled distal to each node, hirsute or hirsutulous.

clustered, decumbent to ascending or straggling, often conspicuously flexuous, diffuse, strigulose.

3–10(–11) cm;

stipules lanceolate-attenuate, (1.5–)2.5–8(–9) mm, herbaceous, sometimes papery at proximal nodes;

leaflet blades obovate to elliptic, (3–)5–19 mm, apex acute to obtuse or retuse, surfaces pubescent abaxially, sometimes glabrous adaxially.

(3–)5–13 cm;

stipules 1.5–5 mm, papery at proximal nodes, subherbaceous at distal nodes;

leaflets (5 or)7–17, blades linear, linear-oblanceolate, or narrowly oblong, 3–23 mm, apex obtuse or retuse, surfaces strigulose or, sometimes, glabrescent or glabrous adaxially.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

(3–)7–21-flowered;

axis (1–)2.5–6.5 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

erect, 1.5–5.5 cm.

4–9.5 cm.

0.5–2.3 mm.

1–2.5 mm.

12–15.3 mm;

calyx 9.5–13 mm, hirsute to hirsutulous, tube 7–8.6 mm, lobes subulate to linear-subulate, 2.5–5.5 mm;

corolla bicolored, keel tip maculate.

13–16.3 mm;

calyx 5.9–8 mm, strigulose, hairs white, black, and brown, tube 5.3–7 mm, not swollen or gibbous proximally, marcescent, lobes triangular, 0.5–1.3 mm;

corolla whitish, banner and wing tips tinged with lilac, keel maculate;

keel 10–12.1 mm.

stramineous, incurved, (20–)25–40 × (4–)5–7(–8) mm, thin becoming papery, glabrous.

pendulous, brown-stramineous, ± straight to sigmoidally incurved through 0.5 spiral, lunately or falcately ellipsoid, subterete becoming laterally compressed, 20–35 × (5.5–)6.5–9 mm, stiffly leathery or subligneous, strigulose;

stipe 12–20 mm, arched downward from calyx, distally sigmoidal-incurved.

30–36.

= 24.