Flora of North America species comparison

5–10, along length of stem, alternate, ascending to spreading;

blade elliptic-lanceolate to broadly elliptic, 5–16 × 1.5–6.5 cm.

2, radical, arising directly from rhizome, ascending to spreading;

blade broadly elliptic to oblong-, ovate-, or obovate-elliptic, 9–30 × 2.5–15 cm.

3–18(–22);

sepals yellow-green to pale brownish yellow;

dorsal sepal elliptic, 14–20 × 7–13 mm;

lateral sepals connate almost to apex;

synsepal 12–20 × 10–12 mm;

petals spreading, same color as sepals or more yellowish, linear-oblong to linear-lanceolate, flat, 14–16 × 3–5 mm;

lip white, sometimes pinkish, obovoid, 15–20 mm;

orifice basal, 11–14 mm;

staminode suborbicular-subauriform.

solitary;

sepals reddish brown to green;

dorsal sepal lanceolate to lance-ovate or elliptic, 19–52 × 5–22 mm;

lateral sepals connate, synsepal 17–49 × 6–25 mm;

petals deflexed to somewhat spreading, somewhat spirally twisted, same color as sepals, linear- to ovate-lanceolate, 24–60 × 4–17 mm;

lip magenta to white, obovoid to oblance-ovoid, 30–67 mm, orifice a longitudinal fissure, length of lip;

staminode quadrangular to suborbicular-rhomboid or ovoid-deltoid.

= 20.