Flora of North America species comparison

1–4(–7), simple, rarely distally branched, 11–70 cm.

1–13(–30), distally branched, sometimes simple, 17–70 cm.

blades of sterile-stem leaves narrowly elliptic to obovate, 2–12 × 0.5–3 mm, blades of fertile-stem leaves linear, 5–43 × 0.5–2.2 mm.

blades of sterile-stem leaves elliptic or oblong-elliptic to obovate, 2–18 × 0.5–3 mm, blades of fertile-stem leaves linear to narrowly elliptic, 7–34 × (0.5–)1–3.1 mm.

1–18 cm;

bracts narrowly oblanceolate or lanceolate to narrowly elliptic, 1.1–3 mm.

(2–)4–20 cm;

bracts narrowly oblanceolate or lanceolate to narrowly elliptic, (0.7–)2–4 mm.

erect, 1.8–5.5 mm in fruit, sparsely glandular-pubescent, sometimes glabrous, hairs to 0.1 mm.

erect, 2–8(–9) mm in fruit, glabrous or sparsely glandular-pubescent, hairs to 0.1 mm.

calyx lobes linear-lanceolate to narrowly ovate, 2.1–3.5 × 0.4–1 mm, proximally sparsely glandular-pubescent, sometimes glabrous;

corolla white to blue, 8–14 mm, spurs straight or curved, 2–7 mm, abaxial lip 2–4.5 mm, adaxial 1.2–2(–3) mm.

calyx lobes lanceolate to oblong, (2–)2.5–4.2 × 0.8–1.6 mm, proximally sparsely glandular-pubescent, sometimes glabrous;

corolla blue to pale violet, (11–)14–22 mm, spurs curved, sometimes straight, 4.5–11 mm, abaxial lip 5–11 mm, adaxial 3–6 mm.

oblong-ovoid, 2.6–3.9 × 2.6–3.3 mm.

oblong-ovoid, 2.6–4.8 × 2.5–4 mm.

black or gray, 0.3–0.5 mm, edges sharp, faces obscurely tuberculate.

gray, 0.3–0.5 mm, edges rounded, rarely angled or irregularly dentate, faces prominently pointed-tuberculate, rarely with rounded ridges and scattered, rounded tubercles.

= 12.

= 12, 24.