Flora of North America species comparison

glabrous or sparsely hairy proximally and medially, subglabrous or sparsely hairy distally, hairs spreading, short to long, soft, eglandular, rarely stipitate-glandular.

spreading to ascending, linear to lanceolate, narrowly elliptic, or narrowly oblong, thin and not fleshy, margins plane, rarely wavy, flat to slightly involute, leaf sometimes recurved downward, 0(–3)-lobed, apex acute to acuminate, sometimes obtuse.

distally scarlet, red, orange-red, or pale orange, sometimes pink, pink-purple, magenta, pale orange, yellow, greenish yellow, or white, 0–3(–5)-lobed, central lobe with 3–5 small teeth at apex;

central lobe apex obtuse, rounded to truncate, lateral ones acute to rounded.

20–48 mm;

beak 9–25 mm;

abaxial lip deep green or deep purple, 0.5–3.5 mm, 10–15% as long as beak, to ca. 33% as long as beak in some populations.

15–36 mm;

abaxial and adaxial clefts 8–20 mm, ca. 40% of calyx length, subequal or abaxial longer, lateral 1–9 mm, 15–20% of calyx length;

lobes narrowly lanceolate to narrowly triangular or linear, apex acute, sometimes acuminate or obtuse.

= 24, 48, 72, 96, 120.