Flora of North America species comparison

slender, succulent, glabrous.

green, succulent, glabrous.

blade dark green, ovate-reniform, 2–4 × 1.5–3.5 cm, apex acute, mucronate, or apiculate to short-acuminate.

blade green, ovate to elliptic, 2.5–7 × 1.8–4.5 cm, apex rounded to obtuse or subacute.

5–15-flowered, lax, 40–100 mm;

floral bracts ovate, 3–4 × 1.5 mm, apex acute;

peduncle and rachis glandular-pubescent.

5–30-flowered, lax, 50–130 mm;

floral bracts rhombic-ovate to lanceolate, apex acute to acuminate, glabrous to slightly glandular;

peduncle and rachis glandular-pubescent.

green, purple-brown, to pinkish tan;

pedicel slender, 6–7 mm, glabrous;

sepals strongly reflexed;

dorsal sepal lanceolate to linear-lanceolate, 3–4 × 1 mm, apex acute;

lateral sepals lanceolate to linear-lanceolate, 3–4 × 1 mm, apex acute;

petals slightly reflexed, linear to linear-lanceolate, margins slightly revolute, apex acute;

lip sessile, broadly obovate to cuneate, 6–10 × 5–7 mm, base with rounded lobule on each side, apex dilated and deeply cleft into pair of ± divergent broadly rounded lobes, shallowly toothed in sinus;

column slightly arcuate, short, 1.5–3 × 1–2 mm.

yellowish green, small;

pedicel filiform, 4–12 mm, glandular-puberulent;

sepals and petals distinct and free, spreading, only slightly reflexed;

dorsal sepal linear-lanceolate to lanceolate, 2.8–4 × 0.5–0.8 mm, apex acute to acuminate;

lateral sepals linear-lanceolate to lanceolate, falcate, 2.8–4 × 0.5–0.8 mm, apex acute to acuminate;

petals linear to linear-lanceolate, slightly falcate, 2.8–3.5 × 0.5–0.8 mm, apex acute to acuminate;

lip sessile, cuneate to obovate, 4.5–6 × 2–4.5 mm, apex rounded to retuse, apiculate, apical margin slightly erose or crenulate;

disc with pair of dark green stripes, each swollen at base and with small horn 1 mm from top of each swelling;

column short, 1.5–2 × 1 mm.

semierect, ellipsoid, 5 × 3 mm.

semierect, ovoid to subglobose, 5 × 4 mm, glabrous.

= 38.

= 34.