Flora of North America species comparison

3–9, along length of stem, alternate, ascending to spreading;

blade broadly elliptic to ovate or elliptic-lanceolate, 10–27 × 5–16 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.

1–3(–4);

sepals white;

dorsal sepal suborbiculate to ovate-orbiculate, 25–45 × 18–42 mm;

lateral sepals connate, synsepal 24–42 × 15–37 mm;

petals spreading, same color as sepals, oblong to elliptic or ovate-lanceolate, flat, 25–47 × 6–17 mm;

lip white, usually suffused around orifice and variably beyond with pale pink to crimson magenta, subglobose-obovoid, 25–53 mm;

orifice basal, 18–28 mm;

staminode cordiform-ovoid to ovoid-lanceoloid.

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.

= 20.