Flora of North America species comparison

within proximal 1/3 of stem;

blade narrowly to broadly elliptic.

1–2(–3), subopposite, yellow-green, oblong-elliptic, base sheathing stem, apex acute;

blade 2–10 × 0.5–4.1 cm.

spicate racemes, 1–12 cm.

floral bracts lanceolate, 1–4 mm;

pedicels 2.5–4.5 mm.

5–80, resupinate or not;

sepals lanceolate to ovate-lanceolate to oblong-lanceolate, margins revolute or not, apex acuminate;

petals reflexed, filiform to linear or linear-lanceolate, apex rounded;

lip ovate to broadly triangular, concave, base truncate, with forward-directed lobes, apex unlobed, acuminate;

column 0.4–0.8 × 0.4–0.8 mm;

pollinia yellow.

not resupinate, green, yellowish green, or yellow;

dorsal sepal slightly reflexed, ovate-lanceolate, 2.5–2.8 × 0.9–1.4 mm, margins revolute, apex acuminate;

lateral sepals slightly reflexed, lanceolate, 1.5–2.5 × 0.9–1.4 mm, apex acuminate;

petals strongly reflexed, filiform to narrowly linear, 1.8–2.2 × 0.3–0.4 mm, apex rounded;

lip ovate, concave, 3-lobed, middle lobe ovate, 1.5–2.5 × 1–2 mm, apex acuminate, lateral lobes basal, curved up on either side of middle lobe, narrow, short;

column greenish yellow to yellow, 0.5–0.8 × 0.5–0.8 mm.

ascending, ellipsoid, 5 × 3 mm.

5–10 mm diam.

4–10 mm diam.

= 30 (Eurasia).