Flora of North America species comparison

erect or suberect, to 71(–140) cm;

sterile stems to 18 cm.

erect or suberect, 50–130 cm;

sterile stems to 20 cm.

of fertile stems: blade oblanceolate to linear, usually flat, 5–45(–60) × 0.8–4(–8) mm, apex acute or subobtuse.

of fertile stems: blade lanceolate to ovate-lanceolate, rarely elliptic, flat, 25–75 × 5–30 mm, apex acute or obtuse.

1–117-flowered, dense;

bracts linear, 2–5(–5.5) × 0.3–1 mm.

4–30-flowered, lax;

bracts linear, 6–38 × 1.5–9 mm.

erect, 1–3 mm in flower, 2–4(–5) mm in fruit.

erect, 7–35 mm in flower, 15–38 mm in fruit.

simple;

stigma entire.

simple;

stigma entire.

violet to purple, with yellow or lilac palate, 9–13(–17) mm;

tube 1.5–2.5 mm wide, spurs curved, 5–7(–9) mm, subequal to rest of corolla, abaxial lip sinus (0.6–)0.8–1.5(–2) mm, adaxial lip sinus 1 mm.

violet, blue-violet, reddish purple, or pink, rarely white, with yellow, white, or lilac palate, 35–57 mm;

tube 6–11 mm wide, spurs straight, 16–27 mm, subequal to rest of corolla, abaxial lip sinus 2.5–6 mm, adaxial lip sinus 4–8 mm.

lobes linear to linear-lanceolate, 1.5–3 × 0.5–1 mm in flower, 2–3.5 × 0.7–1.2 mm in fruit, apex acute or subacute.

lobes ovate-lanceolate, 5–9 × 1.2–2 mm in flower, 6–10 × 1.5–2 mm in fruit, apex acute.

subglobular, 2.7–4 × 2.5–3.7 mm, glabrous;

loculi equal.

depressed-globular, 4–7.5 × 6–9 mm, glabrous;

loculi equal.

black or blackish brown, subtrigonous or ± tetrahedral, 0.8–1.2 × 0.6–1 mm, with longitudinal marginal ridges and anastomosed ridges or tubercles on faces;

wing absent.

blackish brown to dark brown, disciform, elliptic-globular, or deltate-globular, with prominent encircling wing, 2–2.3 × 2–2.3 mm, plano-convex;

disc blackish brown to dark brown, deltate-globular or densely tuberculate, sometimes with short ridges;

wing entire, 0.1–0.2 mm wide, ± thick towards disc, not tuberculate.

= 12 (Europe).

= 12.