Flora of North America species comparison

greenish or silky-canescent.

greenish cinereous.

± flexuous, 15–60(–70) cm.

usually obviously flexuous, 15–30(–40) cm.

11–25(–29), blades mostly linear or narrowly oblong-oblanceolate, 6–11 mm.

(7–)11–17, blades mostly linear or narrowly oblong-oblanceolate.

(7–)12–26(–30)-flowered;

axis 3–13(–15) cm in fruit.

12–26-flowered;

axis 2.5–9.5 cm in fruit.

4–19 cm.

2.5–7 cm.

7.4–11 mm;

calyx 3.5–5.8 mm, tube 2.7–4.3 mm, lobes 0.5–1.7 mm;

corolla banner recurved through 45–50°;

keel incurved through 90–100°, semiobovate, 5.3–7.5 mm.

7–9 mm;

calyx 3.3–4.1 mm, tube 1.9–2.3 mm, lobes 0.7–1.1(–1.4) mm;

corolla banner abruptly recurved through 90°;

keel very strongly incurved through 120°, semiorbiculate, 5–5.5 mm.

linear-oblong, linear-oblanceoloid, or narrowly oblong-elliptic in outline, scarcely turgid, (8–)12–24 × 2.7–4.8 mm, base usually cuneate-tapered, usually finely strigulose or villosulous, rarely glabrous;

stipe 0.5–1.3 mm, concealed by marcescent calyx.

oblong-ellipsoid, turgid or inflated, 11–15(–20) × 3–4(–4.5) mm, strigulose;

sessile.

14–20.

12–18.

= 22.