AppearanceThis species has a stem growing to 60 cm high with erect leaves up to 12 cm long. The flowers are 17 mm across arranged in a one-sided raceme. In the typical form, the sepals are coloured deep pink or purplish-red, the upper petals shorter and paler. The labellum at least as long as the sepals, white with red or yellow spots in the middle. Variants without most of the reddish colours of the typical form have been called ''E. palustris'' var. ''ochroleuca''.
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