Plants 17–33(–50) cm. Corms elongate, forked, 18–40 mm. Leaves: blade linear, 3–15 cm × 3–9 mm at flowering, later elongating to 6–41 cm. Inflorescences dark purple, becoming green after flowering, 17–33(–50) cm; floral bracts ovate, ovate-lanceolate, or subulate, 3–8 mm. Flowers 2–15, opening nearly simultaneously, crimson, magenta, to rarely light pink, strongly fragrant to pungent; dorsal sepal obovate to oblanceolate, 9–17 × 5–8 mm, apex acuminate; lateral sepals reflexed only at tip or straight, ovate to lanceolate, slightly falcate to straight, 10–13.5 × 6–9 mm; petals pandurate, rarely obovate, 8–14 × 4–8 mm, apex obtuse; lip 7–12 mm, middle lobe with dilated apex triangular, rounded to truncate, 7–13 mm wide; column 5.5–7.5 × 1–2 mm, distal end 5–7 mm wide; rostellum present. Capsules ellipsoid to obconic, 13–22 × 4–7 mm. 2n = 40, 42.
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