With heart shaped leaves.
Blackish red with small green area on labellum, dorsal sepal noticeably rough and warty, often with traces of green towards base. Does not project beyond the labellum. Flower can be above or below the leaf.
Seepages and small ponding areas in montane to sub-alpine beech forest, Currently known from Nelson Lakes Dstrict and northern Westland.
Was tagged C. “darkie”.
Dark flower, dorsal sepal not protruding beyond the labellum.