15-20mm tall. Leaves in colonies often mixed round and three-lobed 10-15 x 15-20mm. Flowers above or below the leaf 3-4mm long
With a linear, grooved dorsal sepal, projecting well clear of the labellum, ending in an acute point. Labellum midlobe opens dark reddish purple, almost flat with a broad, pale centre at maturity. Petals and sepals 30-50m long.
Forest, sporadic. Auckland to Volcanic Plateau but only recently recognised, so range not yet determined.
Not assessed. Data Deficient.
Dorsal sepal jutting out from the labellum, broadly flaring midlobe with a white centre. Was C. “trisept”.
Dorsal sepal much longer than labellum and ending in point, flower whitish near the aperture.