Flora of North America species comparison

erect or suberect, to 71(–140) cm;

sterile stems to 18 cm.

erect, 7–70 cm;

sterile stems to 13.5 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 linear, flat, 5–35 × 1–5 mm, apex acute or subobtuse.

1–117-flowered, dense;

bracts linear, 2–5(–5.5) × 0.3–1 mm.

1–41-flowered, lax or dense, rachis glandular-hairy, hairs 0.1–0.7 mm;

bracts linear to lanceolate, 4–9 × 0.5–2 mm.

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

erect, 4–9 mm in flower, 5–13 mm in fruit.

simple;

stigma entire.

2-fid;

stigma with 2 discrete areas.

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.

purple or red, with yellow or red palate, 22–29 mm;

tube 2–3.5 mm wide, spurs straight or curved, 12–17 mm, longer than rest of corolla, abaxial lip sinus 1–2 mm, adaxial lip sinus 3–6 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 lanceolate or linear-lanceolate, 3–4.5 × 1–2 mm in flower, 3.5–6 × 1–2.5 mm in fruit, apex acute or subacute.

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

loculi equal.

oblong, 4–6 × 3–5.2 mm, glabrous or sparsely glandular-pubescent;

loculi subequal to unequal.

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.

dark gray to black, reniform or trigonous-pyriform, 0.5–0.7 × 0.3–0.5 mm, with ± conspicuous transverse ridges;

wing absent.

= 12 (Europe).

= 12 (Africa).