Flora of North America species comparison

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

decumbent to ascending or erect, glabrous proximally, sparsely strigulose distally.

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.

5–13 cm;

stipules 3–8 mm, firm becoming papery, sometimes membranous at distal nodes or throughout;

leaflets 7–15+, blades elliptic to lanceolate, oblanceolate, or obovate, 6–38 mm, apex obtuse to acute, retuse, or mucronate, surfaces strigose or glabrous.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

6–24-flowered, flowers declined-nodding;

axis 2–15 cm in fruit;

bracts 2–8 mm;

bracteoles 2.

erect, 1.5–5.5 cm.

erect, 3–18 cm.

0.5–2.3 mm.

1–4.5 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.

14–22(–25) mm;

calyx tan or whitish, gibbous or base strongly oblique, 8.8–14.2 mm, sparsely pale-strigulose, tube 6–8.8 mm, lobes broadly spreading, subulate, 2.3–6.5 mm;

corolla usually white, concolorous, rarely keel tip faintly purplish;

banner recurved through 50–90°;

keel 12.4–15 mm, apex sharply triangular.

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

erect, green or reddish brown becoming brown or stramineous, straight or slightly incurved, cylindroid to ellipsoid or ovoid, subterete to strongly obcompressed, 17–35 × 6–10 mm, unilocular, succulent becoming stiffly leathery, glabrous or puberulent;

sessile.

22–38.

= 24.

= 24.