Flora of North America species comparison

purplish to brownish green, glaucous;

scales 2–4, typically below soil line, purplish.

green adaxially;

blade oblong-lanceolate, obovate, or elliptic, 25–100 × 10–53 mm, apex obtuse to acuminate, sometimes glaucous abaxially.

pedunculate, showy, sweetly fragrant, without nectar;

sepals spreading, purplish brown, narrowly lanceolate, 34–67 × 2–4 mm;

petals yellowish green, elliptic-obovate to elliptic-lanceolate, 15–25 × 3–7 mm;

lip yellowish green to white, streaked with purple, oblong, 15–25 × 8–9 mm, lateral lobes streaked with purple, margins involute, middle lobe rounded, margins revolute, undulate;

callus green, longitudinal, fleshy;

column 8–12 mm;

ovary 20–30 mm;

rostellar flap prominent.

20–42 × 5–10 mm;

pedicel of mature capsule elongating to 20–55 mm.

= 18.