Plants 4–110(–135) cm. Corms globose to elongate, 8–31 mm. Leaves: blade slightly curled transversely, linear, lanceolate, or seldom elliptic-lanceolate, 3–50 cm × 2–35(–50) mm. Inflorescences green or slightly purple at base, becoming entirely green after flowering, 4–110(–135) cm; floral bracts ovate to ovate-lanceolate, subulate, 3–8(–30) mm. Flowers 1–15(–25); dorsal sepal 15–31 × 5–18 mm; lateral sepals reflexed distally, 13–26 × 5–16 mm, apex apiculate to acuminate; petals 15–28 × 4–14 mm; lip 11–23 mm, dilated end of middle lobe same color as rest of flower (except for brushlike lamellae patch), typically anvil-shaped, seldom triangular or reniform, 9–21 mm wide; column 12–25 × 1–2 mm, distal end 6–10 mm wide; rostellum usually present. Capsules 13–30 × 5–10 mm. 2n = 26, 40, 42.
Home