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Epipactis
See list of 2 species in this genus-
1a. Labellum 5.5–6.5 mm long, the distal part (i.e., non-saccate portion) broad-triangular or transversely elliptic, with rugose basal calli; ovary tomentose; sepals and lateral petals dark red to nearly red-purple
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1b. Labellum 9–12 mm long, the distal part triangular-ovate, with non-rugose basal calli; ovary glabrous or sparsely pubescent; sepals and lateral petals pale green, pink, purple, or yellow
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Each photo represents one species in this genus.