Plants usually robust, 25-60 cm tall. Stem 2-or 3-leaved. Leaves basal or rarely cauline, broadly ovate to ovate-lanceolate, 7-19 × 2-5.5(-8) cm, apex acute. Peduncle 10-30 cm, stout; rachis 7-20 cm; floral bracts to 35 mm. Flowers hermaphroditic. Dorsal sepal 4-5 × 1-1.8 mm; lateral sepals oblong to subovate, slightly oblique, ca. 4 × 2 mm. Petals narrowly oblong to narrowly elliptic, ca. 3.5 × 1 mm, glabrous; spurs downcurved, cylindric, 8-13 mm, ca. as long as or exceeding ovary, slender. Fl. Sep-Dec. 2n = 82, 123, 164.
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